parseUnit(class)
  skipErrorTokens(class)
  listener: beginCompilationUnit(class)
  syntheticPreviousToken(class)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(class)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(, class, Instance of 'DirectiveContext')
      parseClassDeclarationModifiers(, class)
      parseClassOrNamedMixinApplication(null, class)
        listener: beginClassOrNamedMixinApplicationPrelude(class)
        ensureIdentifier(class, classOrMixinDeclaration)
          listener: handleIdentifier(WrapperClass, classOrMixinDeclaration)
        listener: handleNoTypeVariables({)
        listener: beginClassDeclaration(class, null, WrapperClass)
        parseClass(WrapperClass, class, class, WrapperClass)
          parseClassHeaderOpt(WrapperClass, class, class)
            parseClassExtendsOpt(WrapperClass)
              listener: handleNoType(WrapperClass)
              listener: handleClassExtends(null)
            parseWithClauseOpt(WrapperClass)
              listener: handleClassNoWithClause()
            parseClassOrMixinImplementsOpt(WrapperClass)
              listener: handleClassOrMixinImplements(null, 0)
            listener: handleClassHeader(class, class, null)
          parseClassOrMixinOrExtensionBody(WrapperClass, DeclarationKind.Class, WrapperClass)
            listener: beginClassOrMixinBody(DeclarationKind.Class, {)
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl({, DeclarationKind.Class, WrapperClass)
              parseMetadataStar({)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields({, null, null, null, null, null, {, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType({)
                ensureIdentifier({, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(assert)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, assert)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(assert)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(assert, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'assert'., null, {token: assert}], assert, assert)
                listener: handleInvalidMember(assert)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(assert, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(assert)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(assert, assert, null, null, null, null, null, assert, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(assert, null, null, null, null, null, assert, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(assert, null, null, null, null, null, assert, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(assert)
                    parseOperatorName(assert)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(break)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, break)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(break)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(break, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'break'., null, {token: break}], break, break)
                listener: handleInvalidMember(break)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(break, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(break)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(break, break, null, null, null, null, null, break, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(break, null, null, null, null, null, break, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(break, null, null, null, null, null, break, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(break)
                    parseOperatorName(break)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(case)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, case)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(case)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(case, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'case'., null, {token: case}], case, case)
                listener: handleInvalidMember(case)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(case, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(case)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(case, case, null, null, null, null, null, case, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(case, null, null, null, null, null, case, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(case, null, null, null, null, null, case, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(case)
                    parseOperatorName(case)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(catch)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, catch)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(catch)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(catch, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'catch'., null, {token: catch}], catch, catch)
                listener: handleInvalidMember(catch)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(catch, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(catch)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(catch, catch, null, null, null, null, null, catch, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(catch, null, null, null, null, null, catch, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(catch, null, null, null, null, null, catch, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(catch)
                    parseOperatorName(catch)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(class)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, class)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(class)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportAndSkipClassInClass(class)
                  reportRecoverableError(class, ClassInClass)
                    listener: handleRecoverableError(ClassInClass, class, class)
                  listener: handleInvalidMember(class)
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(class, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(class)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(class, class, null, null, null, null, null, class, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(class, null, null, null, null, null, class, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(class, null, null, null, null, null, class, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(class)
                    parseOperatorName(class)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(const)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, const)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(const)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(const, ;, null, null, null, null, const, const, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(;, null, null, null, null, const, const, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(;, null, null, null, null, const, const, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, const, null, operator)
                    listener: handleNoType(const)
                    parseOperatorName(const)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    reportRecoverableError(const, ConstMethod)
                      listener: handleRecoverableError(ConstMethod, const, const)
                    listener: endClassMethod(null, const, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(continue)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, continue)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(continue)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(continue, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'continue'., null, {token: continue}], continue, continue)
                listener: handleInvalidMember(continue)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(continue, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(continue)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(continue, continue, null, null, null, null, null, continue, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(continue, null, null, null, null, null, continue, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(continue, null, null, null, null, null, continue, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(continue)
                    parseOperatorName(continue)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(default)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, default)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(default)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(default, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'default'., null, {token: default}], default, default)
                listener: handleInvalidMember(default)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(default, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(default)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(default, default, null, null, null, null, null, default, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(default, null, null, null, null, null, default, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(default, null, null, null, null, null, default, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(default)
                    parseOperatorName(default)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(do)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, do)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(do)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(do, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'do'., null, {token: do}], do, do)
                listener: handleInvalidMember(do)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(do, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(do)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(do, do, null, null, null, null, null, do, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(do, null, null, null, null, null, do, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(do, null, null, null, null, null, do, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(do)
                    parseOperatorName(do)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(else)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, else)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(else)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(else, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'else'., null, {token: else}], else, else)
                listener: handleInvalidMember(else)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(else, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(else)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(else, else, null, null, null, null, null, else, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(else, null, null, null, null, null, else, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(else, null, null, null, null, null, else, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(else)
                    parseOperatorName(else)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(enum)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, enum)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(enum)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportAndSkipEnumInClass(enum)
                  reportRecoverableError(enum, EnumInClass)
                    listener: handleRecoverableError(EnumInClass, enum, enum)
                  listener: handleInvalidMember(enum)
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(enum, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(enum)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(enum, enum, null, null, null, null, null, enum, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(enum, null, null, null, null, null, enum, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(enum, null, null, null, null, null, enum, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(enum)
                    parseOperatorName(enum)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(extends)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, extends)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(extends)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(extends, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'extends'., null, {token: extends}], extends, extends)
                listener: handleInvalidMember(extends)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(extends, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(extends)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(extends, extends, null, null, null, null, null, extends, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(extends, null, null, null, null, null, extends, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(extends, null, null, null, null, null, extends, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(extends)
                    parseOperatorName(extends)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(false)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, false)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(false)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(false, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'false'., null, {token: false}], false, false)
                listener: handleInvalidMember(false)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(false, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(false)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(false, false, null, null, null, null, null, false, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(false, null, null, null, null, null, false, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(false, null, null, null, null, null, false, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(false)
                    parseOperatorName(false)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(final)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, final)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(final)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(final, ;, null, null, null, null, final, final, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(;, null, null, null, null, final, final, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(;, null, null, null, null, final, final, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    reportRecoverableErrorWithToken(final, Instance of 'Template<(Token) => Message>')
                      listener: handleRecoverableError(Message[ExtraneousModifier, Can't have modifier 'final' here., Try removing 'final'., {token: final}], final, final)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(final)
                    parseOperatorName(final)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, final, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(finally)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, finally)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(finally)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(finally, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'finally'., null, {token: finally}], finally, finally)
                listener: handleInvalidMember(finally)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(finally, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(finally)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(finally, finally, null, null, null, null, null, finally, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(finally, null, null, null, null, null, finally, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(finally, null, null, null, null, null, finally, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(finally)
                    parseOperatorName(finally)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(for)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, for)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(for)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(for, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'for'., null, {token: for}], for, for)
                listener: handleInvalidMember(for)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(for, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(for)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(for, for, null, null, null, null, null, for, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(for, null, null, null, null, null, for, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(for, null, null, null, null, null, for, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(for)
                    parseOperatorName(for)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(if)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, if)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(if)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(if, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'if'., null, {token: if}], if, if)
                listener: handleInvalidMember(if)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(if, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(if)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(if, if, null, null, null, null, null, if, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(if, null, null, null, null, null, if, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(if, null, null, null, null, null, if, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(if)
                    parseOperatorName(if)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(in)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, in)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(in)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(in, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'in'., null, {token: in}], in, in)
                listener: handleInvalidMember(in)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(in, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(in)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(in, in, null, null, null, null, null, in, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(in, null, null, null, null, null, in, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(in, null, null, null, null, null, in, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(in)
                    parseOperatorName(in)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(is)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, is)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(is)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(is, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'is'., null, {token: is}], is, is)
                listener: handleInvalidMember(is)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(is, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(is)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(is, is, null, null, null, null, null, is, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(is, null, null, null, null, null, is, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(is, null, null, null, null, null, is, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(is)
                    parseOperatorName(is)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(new)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, new)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(new)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(new, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'new'., null, {token: new}], new, new)
                listener: handleInvalidMember(new)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(new, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(new)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(new, new, null, null, null, null, null, new, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(new, null, null, null, null, null, new, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(new, null, null, null, null, null, new, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(new)
                    parseOperatorName(new)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(null)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, null)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(null)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(null, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'null'., null, {token: null}], null, null)
                listener: handleInvalidMember(null)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(null, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(null)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(null, null, null, null, null, null, null, null, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(null, null, null, null, null, null, null, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(null, null, null, null, null, null, null, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(null)
                    parseOperatorName(null)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(rethrow)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, rethrow)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(rethrow)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(rethrow, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'rethrow'., null, {token: rethrow}], rethrow, rethrow)
                listener: handleInvalidMember(rethrow)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(rethrow, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(rethrow)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(rethrow, rethrow, null, null, null, null, null, rethrow, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(rethrow, null, null, null, null, null, rethrow, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(rethrow, null, null, null, null, null, rethrow, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(rethrow)
                    parseOperatorName(rethrow)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(return)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, return)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(return)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(return, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'return'., null, {token: return}], return, return)
                listener: handleInvalidMember(return)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(return, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(return)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(return, return, null, null, null, null, null, return, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(return, null, null, null, null, null, return, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(return, null, null, null, null, null, return, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(return)
                    parseOperatorName(return)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(super)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, super)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(super)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(super, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'super'., null, {token: super}], super, super)
                listener: handleInvalidMember(super)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(super, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(super)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(super, super, null, null, null, null, null, super, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(super, null, null, null, null, null, super, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(super, null, null, null, null, null, super, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(super)
                    parseOperatorName(super)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(switch)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, switch)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(switch)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(switch, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'switch'., null, {token: switch}], switch, switch)
                listener: handleInvalidMember(switch)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(switch, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(switch)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(switch, switch, null, null, null, null, null, switch, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(switch, null, null, null, null, null, switch, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(switch, null, null, null, null, null, switch, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(switch)
                    parseOperatorName(switch)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(int, ;, null, null, null, null, null, ;, Instance of 'SimpleType', null, DeclarationKind.Class, WrapperClass)
                parseFields(;, null, null, null, null, null, ;, Instance of 'SimpleType', this, DeclarationKind.Class, WrapperClass)
                  listener: handleIdentifier(int, typeReference)
                  listener: handleNoTypeArguments(this)
                  listener: handleType(int, null)
                  ensureIdentifier(int, fieldDeclaration)
                    reportRecoverableErrorWithToken(this, Instance of 'Template<(Token) => Message>')
                      listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'this'., null, {token: this}], this, this)
                    listener: handleIdentifier(this, fieldDeclaration)
                  parseFieldInitializerOpt(this, this, null, null, DeclarationKind.Class, WrapperClass)
                    listener: beginFieldInitializer(=)
                    parseExpression(=)
                      parsePrecedenceExpression(=, 1, true)
                        parseUnaryExpression(=, true)
                          parsePrimary(=, expression)
                            parseLiteralInt(=)
                              listener: handleLiteralInt(42)
                    listener: endFieldInitializer(=, ;)
                  listener: endClassFields(null, null, null, null, 1, int, ;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(throw)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, throw)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(throw)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(throw, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'throw'., null, {token: throw}], throw, throw)
                listener: handleInvalidMember(throw)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(throw, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(throw)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(throw, throw, null, null, null, null, null, throw, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(throw, null, null, null, null, null, throw, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(throw, null, null, null, null, null, throw, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(throw)
                    parseOperatorName(throw)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(true)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, true)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(true)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(true, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'true'., null, {token: true}], true, true)
                listener: handleInvalidMember(true)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(true, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(true)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(true, true, null, null, null, null, null, true, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(true, null, null, null, null, null, true, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(true, null, null, null, null, null, true, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(true)
                    parseOperatorName(true)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(try)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, try)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(try)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(try, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'try'., null, {token: try}], try, try)
                listener: handleInvalidMember(try)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(try, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(try)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(try, try, null, null, null, null, null, try, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(try, null, null, null, null, null, try, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(try, null, null, null, null, null, try, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(try)
                    parseOperatorName(try)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(var)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, var)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(var)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(var, ;, null, null, null, null, var, var, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(;, null, null, null, null, var, var, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(;, null, null, null, null, var, var, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    reportRecoverableError(var, VarReturnType)
                      listener: handleRecoverableError(VarReturnType, var, var)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(var)
                    parseOperatorName(var)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, var, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(void)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, void)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(void)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(void, ;, null, null, null, null, null, ;, Instance of 'VoidType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(;, null, null, null, null, null, ;, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(;, null, null, null, null, null, ;, Instance of 'VoidType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleVoidKeyword(void)
                    parseOperatorName(void)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, void, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(while)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, while)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(while)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(while, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'while'., null, {token: while}], while, while)
                listener: handleInvalidMember(while)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(while, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(while)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(while, while, null, null, null, null, null, while, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(while, null, null, null, null, null, while, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(while, null, null, null, null, null, while, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(while)
                    parseOperatorName(while)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, int)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginMember()
              parseFields(;, null, null, null, null, null, ;, Instance of 'NoType', int, DeclarationKind.Class, WrapperClass)
                reportRecoverableError(int, MissingConstFinalVarOrType)
                  listener: handleRecoverableError(MissingConstFinalVarOrType, int, int)
                listener: handleNoType(;)
                ensureIdentifier(;, fieldDeclaration)
                  listener: handleIdentifier(int, fieldDeclaration)
                parseFieldInitializerOpt(int, int, null, null, DeclarationKind.Class, WrapperClass)
                  listener: handleNoFieldInitializer(with)
                ensureSemicolon(int)
                  reportRecoverableError(int, Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}])
                    listener: handleRecoverableError(Message[ExpectedAfterButGot, Expected ';' after this., null, {string: ;}], int, int)
                  rewriter()
                listener: endClassFields(null, null, null, null, 1, int, ;)
              listener: endMember()
            notEofOrValue(}, with)
            parseClassOrMixinOrExtensionMemberImpl(;, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(;)
                listener: beginMetadataStar(with)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(;, ;, null, null, null, null, null, ;, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(with, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got 'with'., null, {token: with}], with, with)
                listener: handleInvalidMember(with)
                listener: endMember()
            notEofOrValue(}, =)
            parseClassOrMixinOrExtensionMemberImpl(with, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(with)
                listener: beginMetadataStar(=)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(with, with, null, null, null, null, null, with, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                parseInvalidOperatorDeclaration(with, null, null, null, null, null, with, DeclarationKind.Class, WrapperClass)
                  reportRecoverableError(=, MissingOperatorKeyword)
                    listener: handleRecoverableError(MissingOperatorKeyword, =, =)
                  rewriter()
                  parseMethod(with, null, null, null, null, null, with, Instance of 'NoType', null, operator, DeclarationKind.Class, WrapperClass)
                    listener: beginMethod(null, null, null, null, null, operator)
                    listener: handleNoType(with)
                    parseOperatorName(with)
                      isUnaryMinus(=)
                      reportRecoverableErrorWithToken(=, Instance of 'Template<(Token) => Message>')
                        listener: handleRecoverableError(Message[InvalidOperator, The string '=' isn't a user-definable operator., null, {token: =}], =, =)
                      listener: handleInvalidOperatorName(operator, =)
                    parseMethodTypeVar(=)
                      listener: handleNoTypeVariables(42)
                    parseGetterOrFormalParameters(=, operator, false, MemberKind.NonStaticMethod)
                      missingParameterMessage(MemberKind.NonStaticMethod)
                      reportRecoverableError(=, MissingMethodParameters)
                        listener: handleRecoverableError(MissingMethodParameters, =, =)
                      rewriter()
                      parseFormalParametersRest((, MemberKind.NonStaticMethod)
                        listener: beginFormalParameters((, MemberKind.NonStaticMethod)
                        listener: endFormalParameters(0, (, ), MemberKind.NonStaticMethod)
                    parseInitializersOpt())
                      listener: handleNoInitializers()
                    parseAsyncModifierOpt())
                      listener: handleAsyncModifier(null, null)
                      inPlainSync()
                    inPlainSync()
                    parseFunctionBody(), false, true)
                      ensureBlock(), Instance of 'Template<(Token) => Message>', null)
                        reportRecoverableError(42, Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}])
                          listener: handleRecoverableError(Message[ExpectedFunctionBody, Expected a function body, but got '42'., null, {token: 42}], 42, 42)
                        insertBlock())
                          rewriter()
                          rewriter()
                      listener: handleInvalidFunctionBody({)
                    listener: endClassMethod(null, operator, (, null, })
                  listener: endMember()
            notEofOrValue(}, 42)
            parseClassOrMixinOrExtensionMemberImpl(}, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(})
                listener: beginMetadataStar(42)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(}, }, null, null, null, null, null, }, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(42, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got '42'., null, {token: 42}], 42, 42)
                listener: handleInvalidMember(42)
                listener: endMember()
            notEofOrValue(}, ;)
            parseClassOrMixinOrExtensionMemberImpl(42, DeclarationKind.Class, WrapperClass)
              parseMetadataStar(42)
                listener: beginMetadataStar(;)
                listener: endMetadataStar(0)
              listener: beginMember()
              recoverFromInvalidMember(42, 42, null, null, null, null, null, 42, Instance of 'NoType', null, DeclarationKind.Class, WrapperClass)
                reportRecoverableErrorWithToken(;, Instance of 'Template<(Token) => Message>')
                  listener: handleRecoverableError(Message[ExpectedClassMember, Expected a class member, but got ';'., null, {token: ;}], ;, ;)
                listener: handleInvalidMember(;)
                listener: endMember()
            notEofOrValue(}, })
            listener: endClassOrMixinBody(DeclarationKind.Class, 157, {, })
          listener: endClassDeclaration(class, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(class)
  listener: endCompilationUnit(1, )