diff --git a/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart
new file mode 100644
index 0000000..6924c9d
--- /dev/null
+++ b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart
@@ -0,0 +1,69 @@
+void test(int abstract) {}
+void test(int as) {}
+void test(int assert) {}
+void test(int async) {}
+void test(int await) {}
+void test(int break) {}
+void test(int case) {}
+void test(int catch) {}
+void test(int class) {}
+void test(int const) {}
+void test(int continue) {}
+void test(int covariant) {}
+void test(int default) {}
+void test(int deferred) {}
+void test(int do) {}
+void test(int dynamic) {}
+void test(int else) {}
+void test(int enum) {}
+void test(int export) {}
+void test(int extends) {}
+void test(int extension) {}
+void test(int external) {}
+void test(int factory) {}
+void test(int false) {}
+void test(int final) {}
+void test(int finally) {}
+void test(int for) {}
+void test(int Function) {}
+void test(int get) {}
+void test(int hide) {}
+void test(int if) {}
+void test(int implements) {}
+void test(int import) {}
+void test(int in) {}
+void test(int inout) {}
+void test(int interface) {}
+void test(int is) {}
+void test(int late) {}
+void test(int library) {}
+void test(int mixin) {}
+void test(int native) {}
+void test(int new) {}
+void test(int null) {}
+void test(int of) {}
+void test(int on) {}
+void test(int operator) {}
+void test(int out) {}
+void test(int part) {}
+void test(int patch) {}
+void test(int required) {}
+void test(int rethrow) {}
+void test(int return) {}
+void test(int set) {}
+void test(int show) {}
+void test(int source) {}
+void test(int static) {}
+void test(int super) {}
+void test(int switch) {}
+void test(int sync) {}
+void test(int this) {}
+void test(int throw) {}
+void test(int true) {}
+void test(int try) {}
+void test(int typedef) {}
+void test(int var) {}
+void test(int void) {}
+void test(int while) {}
+void test(int with) {}
+void test(int yield) {}
diff --git a/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.expect b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.expect
new file mode 100644
index 0000000..8734963
--- /dev/null
+++ b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.expect
@@ -0,0 +1,1697 @@
+Problems reported:
+
+parser/error_recovery/keyword_named_formal_parameter:3:15: Expected ')' before this.
+void test(int assert) {}
+              ^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:6:15: Expected ')' before this.
+void test(int break) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:7:15: Expected ')' before this.
+void test(int case) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:8:15: Expected ')' before this.
+void test(int catch) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:9:15: Expected ')' before this.
+void test(int class) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:10:15: Expected ')' before this.
+void test(int const) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:11:15: Expected ')' before this.
+void test(int continue) {}
+              ^^^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:13:15: Expected ')' before this.
+void test(int default) {}
+              ^^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:15:15: Expected ')' before this.
+void test(int do) {}
+              ^^
+
+parser/error_recovery/keyword_named_formal_parameter:17:15: Expected ')' before this.
+void test(int else) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:18:15: Expected ')' before this.
+void test(int enum) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:20:15: Expected ')' before this.
+void test(int extends) {}
+              ^^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:24:15: Expected ')' before this.
+void test(int false) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:25:15: Expected ')' before this.
+void test(int final) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:26:15: Expected ')' before this.
+void test(int finally) {}
+              ^^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:27:15: Expected ')' before this.
+void test(int for) {}
+              ^^^
+
+parser/error_recovery/keyword_named_formal_parameter:31:15: Expected ')' before this.
+void test(int if) {}
+              ^^
+
+parser/error_recovery/keyword_named_formal_parameter:34:15: Expected ')' before this.
+void test(int in) {}
+              ^^
+
+parser/error_recovery/keyword_named_formal_parameter:37:15: Expected ')' before this.
+void test(int is) {}
+              ^^
+
+parser/error_recovery/keyword_named_formal_parameter:42:15: Expected ')' before this.
+void test(int new) {}
+              ^^^
+
+parser/error_recovery/keyword_named_formal_parameter:43:15: Expected ')' before this.
+void test(int null) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:51:15: Expected ')' before this.
+void test(int rethrow) {}
+              ^^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:52:15: Expected ')' before this.
+void test(int return) {}
+              ^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:57:15: Expected ')' before this.
+void test(int super) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:58:15: Expected ')' before this.
+void test(int switch) {}
+              ^^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:60:19: Expected '.' before this.
+void test(int this) {}
+                  ^
+
+parser/error_recovery/keyword_named_formal_parameter:60:19: Expected an identifier, but got ')'.
+void test(int this) {}
+                  ^
+
+parser/error_recovery/keyword_named_formal_parameter:61:15: Expected ')' before this.
+void test(int throw) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:62:15: Expected ')' before this.
+void test(int true) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:63:15: Expected ')' before this.
+void test(int try) {}
+              ^^^
+
+parser/error_recovery/keyword_named_formal_parameter:65:15: Expected ')' before this.
+void test(int var) {}
+              ^^^
+
+parser/error_recovery/keyword_named_formal_parameter:66:15: Expected ')' before this.
+void test(int void) {}
+              ^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:67:15: Expected ')' before this.
+void test(int while) {}
+              ^^^^^
+
+parser/error_recovery/keyword_named_formal_parameter:68:15: Expected ')' before this.
+void test(int with) {}
+              ^^^^
+
+beginCompilationUnit(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(abstract)
+          handleType(int, null)
+          handleIdentifier(abstract, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, abstract, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(as)
+          handleType(int, null)
+          handleIdentifier(as, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, as, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(assert)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], assert, assert)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(async)
+          handleType(int, null)
+          handleIdentifier(async, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, async, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(await)
+          handleType(int, null)
+          handleIdentifier(await, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, await, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(break)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], break, break)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(case)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], case, case)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(catch)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], catch, catch)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(class)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], class, class)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(const)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], const, const)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(continue)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], continue, continue)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(covariant)
+          handleType(int, null)
+          handleIdentifier(covariant, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, covariant, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(default)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], default, default)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(deferred)
+          handleType(int, null)
+          handleIdentifier(deferred, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, deferred, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(do)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], do, do)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(dynamic)
+          handleType(int, null)
+          handleIdentifier(dynamic, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, dynamic, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(else)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], else, else)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(enum)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], enum, enum)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(export)
+          handleType(int, null)
+          handleIdentifier(export, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, export, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(extends)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], extends, extends)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(extension)
+          handleType(int, null)
+          handleIdentifier(extension, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, extension, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(external)
+          handleType(int, null)
+          handleIdentifier(external, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, external, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(factory)
+          handleType(int, null)
+          handleIdentifier(factory, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, factory, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(false)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], false, false)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(final)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], final, final)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(finally)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], finally, finally)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(for)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], for, for)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(Function)
+          handleType(int, null)
+          handleIdentifier(Function, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, Function, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(get)
+          handleType(int, null)
+          handleIdentifier(get, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, get, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(hide)
+          handleType(int, null)
+          handleIdentifier(hide, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, hide, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(if)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], if, if)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(implements)
+          handleType(int, null)
+          handleIdentifier(implements, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, implements, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(import)
+          handleType(int, null)
+          handleIdentifier(import, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, import, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(in)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], in, in)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(inout)
+          handleType(int, null)
+          handleIdentifier(inout, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, inout, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(interface)
+          handleType(int, null)
+          handleIdentifier(interface, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, interface, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(is)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], is, is)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(late)
+          handleType(int, null)
+          handleIdentifier(late, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, late, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(library)
+          handleType(int, null)
+          handleIdentifier(library, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, library, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(mixin)
+          handleType(int, null)
+          handleIdentifier(mixin, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, mixin, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(native)
+          handleType(int, null)
+          handleIdentifier(native, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, native, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(new)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], new, new)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(null)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], null, null)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(of)
+          handleType(int, null)
+          handleIdentifier(of, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, of, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(on)
+          handleType(int, null)
+          handleIdentifier(on, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, on, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(operator)
+          handleType(int, null)
+          handleIdentifier(operator, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, operator, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(out)
+          handleType(int, null)
+          handleIdentifier(out, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, out, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(part)
+          handleType(int, null)
+          handleIdentifier(part, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, part, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(patch)
+          handleType(int, null)
+          handleIdentifier(patch, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, patch, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(required)
+          handleType(int, null)
+          handleIdentifier(required, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, required, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(rethrow)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], rethrow, rethrow)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(return)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], return, return)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(set)
+          handleType(int, null)
+          handleIdentifier(set, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, set, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(show)
+          handleType(int, null)
+          handleIdentifier(show, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, show, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(source)
+          handleType(int, null)
+          handleIdentifier(source, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, source, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(static)
+          handleType(int, null)
+          handleIdentifier(static, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, static, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(super)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], super, super)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(switch)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], switch, switch)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(sync)
+          handleType(int, null)
+          handleIdentifier(sync, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, sync, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleRecoverableError(Message[ExpectedButGot, Expected '.' before this., null, {string: .}], ), ))
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(this)
+          handleType(int, null)
+          handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got ')'., Try inserting an identifier before ')'., {lexeme: )}], ), ))
+          handleIdentifier(, fieldInitializer)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(this, ., , null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(throw)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], throw, throw)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(true)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], true, true)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(try)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], try, try)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(typedef)
+          handleType(int, null)
+          handleIdentifier(typedef, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, typedef, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(var)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], var, var)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(void)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], void, void)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(while)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], while, while)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleNoType(()
+          handleIdentifier(int, formalParameterDeclaration)
+          handleFormalParameterWithoutValue(with)
+        endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+        handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], with, with)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration(void)
+  beginMetadataStar(void)
+  endMetadataStar(0)
+  beginTopLevelMember(void)
+    beginTopLevelMethod(}, null)
+      handleVoidKeyword(void)
+      handleIdentifier(test, topLevelFunctionDeclaration)
+      handleNoTypeVariables(()
+      beginFormalParameters((, MemberKind.TopLevelMethod)
+        beginMetadataStar(int)
+        endMetadataStar(0)
+        beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+          handleIdentifier(int, typeReference)
+          handleNoTypeArguments(yield)
+          handleType(int, null)
+          handleIdentifier(yield, formalParameterDeclaration)
+          handleFormalParameterWithoutValue())
+        endFormalParameter(null, null, yield, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+      endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+      handleAsyncModifier(null, null)
+      beginBlockFunctionBody({)
+      endBlockFunctionBody(0, {, })
+    endTopLevelMethod(void, null, })
+  endTopLevelDeclaration()
+endCompilationUnit(69, )
diff --git a/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.intertwined.expect b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.intertwined.expect
new file mode 100644
index 0000000..7723b5e
--- /dev/null
+++ b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.intertwined.expect
@@ -0,0 +1,2772 @@
+parseUnit(void)
+  skipErrorTokens(void)
+  listener: beginCompilationUnit(void)
+  syntheticPreviousToken(void)
+  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
+    parseMetadataStar()
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl()
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(, null, , Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(abstract)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(abstract, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, abstract, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(as)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(as, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, as, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(assert)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(assert, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], assert, assert)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(async)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(async, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, async, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(await)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(await, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, await, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(break)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(break, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], break, break)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(case)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(case, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], case, case)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(catch)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(catch, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], catch, catch)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(class)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(class, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], class, class)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(const)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(const, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], const, const)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(continue)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(continue, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], continue, continue)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(covariant)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(covariant, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, covariant, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(default)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(default, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], default, default)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(deferred)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(deferred, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, deferred, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(do)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(do, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], do, do)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(dynamic)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(dynamic, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, dynamic, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(else)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(else, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], else, else)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(enum)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(enum, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], enum, enum)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(export)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(export, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, export, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(extends)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(extends, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], extends, extends)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(extension)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(extension, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, extension, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(external)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(external, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, external, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(factory)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(factory, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, factory, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(false)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(false, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], false, false)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(final)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(final, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], final, final)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(finally)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(finally, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], finally, finally)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(for)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(for, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], for, for)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(Function)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(Function, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, Function, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(get)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(get, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, get, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(hide)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(hide, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, hide, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(if)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(if, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], if, if)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(implements)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(implements, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, implements, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(import)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(import, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, import, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(in)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(in, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], in, in)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(inout)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(inout, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, inout, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(interface)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(interface, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, interface, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(is)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(is, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], is, is)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(late)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(late, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, late, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(library)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(library, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, library, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(mixin)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(mixin, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, mixin, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(native)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(native, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, native, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(new)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(new, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], new, new)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(null)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(null, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], null, null)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(of)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(of, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, of, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(on)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(on, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, on, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(operator)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(operator, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, operator, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(out)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(out, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, out, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(part)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(part, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, part, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(patch)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(patch, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, patch, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(required)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(required, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, required, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(rethrow)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(rethrow, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], rethrow, rethrow)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(return)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(return, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], return, return)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(set)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(set, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, set, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(show)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(show, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, show, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(source)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(source, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, source, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(static)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(static, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, static, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(super)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(super, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], super, super)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(switch)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(switch, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], switch, switch)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(sync)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(sync, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, sync, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                rewriteAndRecover(this, Message[ExpectedButGot, Expected '.' before this., null, {string: .}], .)
+                  reportRecoverableError(), Message[ExpectedButGot, Expected '.' before this., null, {string: .}])
+                    listener: handleRecoverableError(Message[ExpectedButGot, Expected '.' before this., null, {string: .}], ), ))
+                  rewriter()
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(this)
+                listener: handleType(int, null)
+                ensureIdentifier(., fieldInitializer)
+                  reportRecoverableErrorWithToken(), Instance of 'Template<(Token) => Message>')
+                    listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got ')'., Try inserting an identifier before ')'., {lexeme: )}], ), ))
+                  rewriter()
+                  listener: handleIdentifier(, fieldInitializer)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(this, ., , null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(throw)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(throw, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], throw, throw)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(true)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(true, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], true, true)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(try)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(try, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], try, try)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(typedef)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(typedef, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, typedef, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(var)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(var, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], var, var)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(void)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(void, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], void, void)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(while)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(while, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], while, while)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleNoType(()
+                ensureIdentifier((, formalParameterDeclaration)
+                  listener: handleIdentifier(int, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue(with)
+                listener: endFormalParameter(null, null, int, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              ensureCloseParen(int, ()
+                reportRecoverableError(with, Message[ExpectedButGot, Expected ')' before this., null, {string: )}])
+                  listener: handleRecoverableError(Message[ExpectedButGot, Expected ')' before this., null, {string: )}], with, with)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration(void)
+  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
+    parseMetadataStar(})
+      listener: beginMetadataStar(void)
+      listener: endMetadataStar(0)
+    parseTopLevelMemberImpl(})
+      listener: beginTopLevelMember(void)
+      parseTopLevelMethod(}, null, }, Instance of 'VoidType', null, test, false)
+        listener: beginTopLevelMethod(}, null)
+        listener: handleVoidKeyword(void)
+        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
+          listener: handleIdentifier(test, topLevelFunctionDeclaration)
+        parseMethodTypeVar(test)
+          listener: handleNoTypeVariables(()
+        parseGetterOrFormalParameters(test, test, false, MemberKind.TopLevelMethod)
+          parseFormalParameters(test, MemberKind.TopLevelMethod)
+            parseFormalParametersRest((, MemberKind.TopLevelMethod)
+              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
+              parseFormalParameter((, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+                parseMetadataStar(()
+                  listener: beginMetadataStar(int)
+                  listener: endMetadataStar(0)
+                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
+                listener: handleIdentifier(int, typeReference)
+                listener: handleNoTypeArguments(yield)
+                listener: handleType(int, null)
+                ensureIdentifier(int, formalParameterDeclaration)
+                  inPlainSync()
+                  listener: handleIdentifier(yield, formalParameterDeclaration)
+                listener: handleFormalParameterWithoutValue())
+                listener: endFormalParameter(null, null, yield, null, null, FormalParameterKind.mandatory, MemberKind.TopLevelMethod)
+              listener: endFormalParameters(1, (, ), MemberKind.TopLevelMethod)
+        parseAsyncModifierOpt())
+          listener: handleAsyncModifier(null, null)
+          inPlainSync()
+        parseFunctionBody(), false, false)
+          listener: beginBlockFunctionBody({)
+          notEofOrValue(}, })
+          listener: endBlockFunctionBody(0, {, })
+        listener: endTopLevelMethod(void, null, })
+  listener: endTopLevelDeclaration()
+  reportAllErrorTokens(void)
+  listener: endCompilationUnit(69, )
diff --git a/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.parser.expect b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.parser.expect
new file mode 100644
index 0000000..312326e
--- /dev/null
+++ b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.parser.expect
@@ -0,0 +1,143 @@
+NOTICE: Stream was rewritten by parser!
+
+void test(int abstract) {}
+void test(int as) {}
+void test(int assert) {}
+void test(int async) {}
+void test(int await) {}
+void test(int break) {}
+void test(int case) {}
+void test(int catch) {}
+void test(int class) {}
+void test(int const) {}
+void test(int continue) {}
+void test(int covariant) {}
+void test(int default) {}
+void test(int deferred) {}
+void test(int do) {}
+void test(int dynamic) {}
+void test(int else) {}
+void test(int enum) {}
+void test(int export) {}
+void test(int extends) {}
+void test(int extension) {}
+void test(int external) {}
+void test(int factory) {}
+void test(int false) {}
+void test(int final) {}
+void test(int finally) {}
+void test(int for) {}
+void test(int Function) {}
+void test(int get) {}
+void test(int hide) {}
+void test(int if) {}
+void test(int implements) {}
+void test(int import) {}
+void test(int in) {}
+void test(int inout) {}
+void test(int interface) {}
+void test(int is) {}
+void test(int late) {}
+void test(int library) {}
+void test(int mixin) {}
+void test(int native) {}
+void test(int new) {}
+void test(int null) {}
+void test(int of) {}
+void test(int on) {}
+void test(int operator) {}
+void test(int out) {}
+void test(int part) {}
+void test(int patch) {}
+void test(int required) {}
+void test(int rethrow) {}
+void test(int return) {}
+void test(int set) {}
+void test(int show) {}
+void test(int source) {}
+void test(int static) {}
+void test(int super) {}
+void test(int switch) {}
+void test(int sync) {}
+void test(int this.*synthetic*) {}
+void test(int throw) {}
+void test(int true) {}
+void test(int try) {}
+void test(int typedef) {}
+void test(int var) {}
+void test(int void) {}
+void test(int while) {}
+void test(int with) {}
+void test(int yield) {}
+
+
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] abstract[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] as[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] assert[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] async[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] await[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] break[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] case[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] catch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] class[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] const[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] continue[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] covariant[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] default[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] deferred[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] do[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] dynamic[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] else[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] enum[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] export[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] extends[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] extension[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] external[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] factory[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] false[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] final[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] finally[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] for[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] Function[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] get[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] hide[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] if[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] implements[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] import[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] in[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] inout[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] interface[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] is[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] late[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] library[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] mixin[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] native[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] new[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] null[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] of[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] on[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] operator[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] out[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] part[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] patch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] required[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] rethrow[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] return[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] set[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] show[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] source[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] static[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] super[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] switch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] sync[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] this[KeywordToken].[SyntheticToken][SyntheticStringToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] throw[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] true[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] try[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] typedef[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] var[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] void[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] while[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] with[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] yield[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+[SimpleToken]
diff --git a/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.scanner.expect b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.scanner.expect
new file mode 100644
index 0000000..56df147
--- /dev/null
+++ b/pkg/front_end/parser_testcases/error_recovery/keyword_named_formal_parameter.dart.scanner.expect
@@ -0,0 +1,141 @@
+void test(int abstract) {}
+void test(int as) {}
+void test(int assert) {}
+void test(int async) {}
+void test(int await) {}
+void test(int break) {}
+void test(int case) {}
+void test(int catch) {}
+void test(int class) {}
+void test(int const) {}
+void test(int continue) {}
+void test(int covariant) {}
+void test(int default) {}
+void test(int deferred) {}
+void test(int do) {}
+void test(int dynamic) {}
+void test(int else) {}
+void test(int enum) {}
+void test(int export) {}
+void test(int extends) {}
+void test(int extension) {}
+void test(int external) {}
+void test(int factory) {}
+void test(int false) {}
+void test(int final) {}
+void test(int finally) {}
+void test(int for) {}
+void test(int Function) {}
+void test(int get) {}
+void test(int hide) {}
+void test(int if) {}
+void test(int implements) {}
+void test(int import) {}
+void test(int in) {}
+void test(int inout) {}
+void test(int interface) {}
+void test(int is) {}
+void test(int late) {}
+void test(int library) {}
+void test(int mixin) {}
+void test(int native) {}
+void test(int new) {}
+void test(int null) {}
+void test(int of) {}
+void test(int on) {}
+void test(int operator) {}
+void test(int out) {}
+void test(int part) {}
+void test(int patch) {}
+void test(int required) {}
+void test(int rethrow) {}
+void test(int return) {}
+void test(int set) {}
+void test(int show) {}
+void test(int source) {}
+void test(int static) {}
+void test(int super) {}
+void test(int switch) {}
+void test(int sync) {}
+void test(int this) {}
+void test(int throw) {}
+void test(int true) {}
+void test(int try) {}
+void test(int typedef) {}
+void test(int var) {}
+void test(int void) {}
+void test(int while) {}
+void test(int with) {}
+void test(int yield) {}
+
+
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] abstract[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] as[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] assert[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] async[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] await[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] break[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] case[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] catch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] class[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] const[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] continue[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] covariant[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] default[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] deferred[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] do[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] dynamic[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] else[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] enum[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] export[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] extends[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] extension[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] external[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] factory[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] false[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] final[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] finally[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] for[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] Function[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] get[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] hide[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] if[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] implements[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] import[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] in[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] inout[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] interface[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] is[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] late[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] library[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] mixin[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] native[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] new[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] null[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] of[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] on[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] operator[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] out[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] part[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] patch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] required[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] rethrow[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] return[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] set[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] show[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] source[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] static[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] super[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] switch[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] sync[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] this[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] throw[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] true[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] try[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] typedef[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] var[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] void[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] while[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] with[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+void[KeywordToken] test[StringToken]([BeginToken]int[StringToken] yield[KeywordToken])[SimpleToken] {[BeginToken]}[SimpleToken]
+[SimpleToken]