parseUnit(int)
  skipErrorTokens(int)
  listener: beginCompilationUnit(int)
  syntheticPreviousToken(int)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(int)
      parseFields(, null, null, null, null, null, null, , Instance of 'SimpleType', abstract, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(abstract)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(abstract, topLevelVariableDeclaration)
        parseFieldInitializerOpt(abstract, abstract, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', as, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(as)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(as, topLevelVariableDeclaration)
        parseFieldInitializerOpt(as, as, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(assert)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', assert, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(assert)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(assert, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'assert'., null, {token: assert}], assert, assert)
          listener: handleIdentifier(assert, topLevelVariableDeclaration)
        parseFieldInitializerOpt(assert, assert, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', async, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(async)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(async, topLevelVariableDeclaration)
        parseFieldInitializerOpt(async, async, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', await, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(await)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(await, topLevelVariableDeclaration)
        parseFieldInitializerOpt(await, await, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(break)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', break, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(break)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(break, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'break'., null, {token: break}], break, break)
          listener: handleIdentifier(break, topLevelVariableDeclaration)
        parseFieldInitializerOpt(break, break, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(case)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', case, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(case)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(case, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'case'., null, {token: case}], case, case)
          listener: handleIdentifier(case, topLevelVariableDeclaration)
        parseFieldInitializerOpt(case, case, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(catch)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', catch, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(catch)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(catch, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'catch'., null, {token: catch}], catch, catch)
          listener: handleIdentifier(catch, topLevelVariableDeclaration)
        parseFieldInitializerOpt(catch, catch, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(class)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', class, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(class)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(class, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'class'., null, {token: class}], class, class)
          listener: handleIdentifier(class, topLevelVariableDeclaration)
        parseFieldInitializerOpt(class, class, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(const)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', const, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(const)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(const, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'const'., null, {token: const}], const, const)
          listener: handleIdentifier(const, topLevelVariableDeclaration)
        parseFieldInitializerOpt(const, const, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(continue)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', continue, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(continue)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(continue, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'continue'., null, {token: continue}], continue, continue)
          listener: handleIdentifier(continue, topLevelVariableDeclaration)
        parseFieldInitializerOpt(continue, continue, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', covariant, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(covariant)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(covariant, topLevelVariableDeclaration)
        parseFieldInitializerOpt(covariant, covariant, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(default)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', default, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(default)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(default, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'default'., null, {token: default}], default, default)
          listener: handleIdentifier(default, topLevelVariableDeclaration)
        parseFieldInitializerOpt(default, default, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', deferred, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(deferred)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(deferred, topLevelVariableDeclaration)
        parseFieldInitializerOpt(deferred, deferred, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(do)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', do, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(do)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(do, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'do'., null, {token: do}], do, do)
          listener: handleIdentifier(do, topLevelVariableDeclaration)
        parseFieldInitializerOpt(do, do, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', dynamic, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(dynamic)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(dynamic, topLevelVariableDeclaration)
        parseFieldInitializerOpt(dynamic, dynamic, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(else)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', else, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(else)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(else, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'else'., null, {token: else}], else, else)
          listener: handleIdentifier(else, topLevelVariableDeclaration)
        parseFieldInitializerOpt(else, else, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(enum)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', enum, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(enum)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(enum, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'enum'., null, {token: enum}], enum, enum)
          listener: handleIdentifier(enum, topLevelVariableDeclaration)
        parseFieldInitializerOpt(enum, enum, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', export, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(export)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(export, topLevelVariableDeclaration)
        parseFieldInitializerOpt(export, export, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(extends)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', extends, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(extends)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(extends, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'extends'., null, {token: extends}], extends, extends)
          listener: handleIdentifier(extends, topLevelVariableDeclaration)
        parseFieldInitializerOpt(extends, extends, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', extension, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(extension)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(extension, topLevelVariableDeclaration)
        parseFieldInitializerOpt(extension, extension, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', external, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(external)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(external, topLevelVariableDeclaration)
        parseFieldInitializerOpt(external, external, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', factory, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(factory)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(factory, topLevelVariableDeclaration)
        parseFieldInitializerOpt(factory, factory, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(false)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', false, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(false)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(false, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'false'., null, {token: false}], false, false)
          listener: handleIdentifier(false, topLevelVariableDeclaration)
        parseFieldInitializerOpt(false, false, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(final)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', final, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(final)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(final, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'final'., null, {token: final}], final, final)
          listener: handleIdentifier(final, topLevelVariableDeclaration)
        parseFieldInitializerOpt(final, final, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(finally)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', finally, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(finally)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(finally, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'finally'., null, {token: finally}], finally, finally)
          listener: handleIdentifier(finally, topLevelVariableDeclaration)
        parseFieldInitializerOpt(finally, finally, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(for)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', for, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(for)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(for, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'for'., null, {token: for}], for, for)
          listener: handleIdentifier(for, topLevelVariableDeclaration)
        parseFieldInitializerOpt(for, for, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', Function, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(Function)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(Function, topLevelVariableDeclaration)
        parseFieldInitializerOpt(Function, Function, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', get, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(get)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(get, topLevelVariableDeclaration)
        parseFieldInitializerOpt(get, get, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', hide, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(hide)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(hide, topLevelVariableDeclaration)
        parseFieldInitializerOpt(hide, hide, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(if)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', if, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(if)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(if, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'if'., null, {token: if}], if, if)
          listener: handleIdentifier(if, topLevelVariableDeclaration)
        parseFieldInitializerOpt(if, if, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', implements, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(implements)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(implements, topLevelVariableDeclaration)
        parseFieldInitializerOpt(implements, implements, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', import, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(import)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(import, topLevelVariableDeclaration)
        parseFieldInitializerOpt(import, import, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(in)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', in, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(in)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(in, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'in'., null, {token: in}], in, in)
          listener: handleIdentifier(in, topLevelVariableDeclaration)
        parseFieldInitializerOpt(in, in, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', inout, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(inout)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(inout, topLevelVariableDeclaration)
        parseFieldInitializerOpt(inout, inout, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', interface, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(interface)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(interface, topLevelVariableDeclaration)
        parseFieldInitializerOpt(interface, interface, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(is)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', is, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(is)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(is, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'is'., null, {token: is}], is, is)
          listener: handleIdentifier(is, topLevelVariableDeclaration)
        parseFieldInitializerOpt(is, is, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', late, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(late)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(late, topLevelVariableDeclaration)
        parseFieldInitializerOpt(late, late, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', library, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(library)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(library, topLevelVariableDeclaration)
        parseFieldInitializerOpt(library, library, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', mixin, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(mixin)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(mixin, topLevelVariableDeclaration)
        parseFieldInitializerOpt(mixin, mixin, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', native, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(native)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(native, topLevelVariableDeclaration)
        parseFieldInitializerOpt(native, native, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(new)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', new, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(new)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(new, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'new'., null, {token: new}], new, new)
          listener: handleIdentifier(new, topLevelVariableDeclaration)
        parseFieldInitializerOpt(new, new, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(null)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', null, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(null)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(null, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'null'., null, {token: null}], null, null)
          listener: handleIdentifier(null, topLevelVariableDeclaration)
        parseFieldInitializerOpt(null, null, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', of, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(of)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(of, topLevelVariableDeclaration)
        parseFieldInitializerOpt(of, of, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', on, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(on)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(on, topLevelVariableDeclaration)
        parseFieldInitializerOpt(on, on, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', operator, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(operator)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(operator, topLevelVariableDeclaration)
        parseFieldInitializerOpt(operator, operator, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', out, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(out)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(out, topLevelVariableDeclaration)
        parseFieldInitializerOpt(out, out, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', part, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(part)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(part, topLevelVariableDeclaration)
        parseFieldInitializerOpt(part, part, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', patch, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(patch)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(patch, topLevelVariableDeclaration)
        parseFieldInitializerOpt(patch, patch, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', required, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(required)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(required, topLevelVariableDeclaration)
        parseFieldInitializerOpt(required, required, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(rethrow)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', rethrow, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(rethrow)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(rethrow, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'rethrow'., null, {token: rethrow}], rethrow, rethrow)
          listener: handleIdentifier(rethrow, topLevelVariableDeclaration)
        parseFieldInitializerOpt(rethrow, rethrow, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(return)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', return, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(return)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(return, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'return'., null, {token: return}], return, return)
          listener: handleIdentifier(return, topLevelVariableDeclaration)
        parseFieldInitializerOpt(return, return, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', set, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(set)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(set, topLevelVariableDeclaration)
        parseFieldInitializerOpt(set, set, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', show, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(show)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(show, topLevelVariableDeclaration)
        parseFieldInitializerOpt(show, show, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', source, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(source)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(source, topLevelVariableDeclaration)
        parseFieldInitializerOpt(source, source, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', static, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(static)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(static, topLevelVariableDeclaration)
        parseFieldInitializerOpt(static, static, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(super)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', super, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(super)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(super, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'super'., null, {token: super}], super, super)
          listener: handleIdentifier(super, topLevelVariableDeclaration)
        parseFieldInitializerOpt(super, super, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(switch)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', switch, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(switch)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(switch, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'switch'., null, {token: switch}], switch, switch)
          listener: handleIdentifier(switch, topLevelVariableDeclaration)
        parseFieldInitializerOpt(switch, switch, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', sync, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(sync)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(sync, topLevelVariableDeclaration)
        parseFieldInitializerOpt(sync, sync, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', this, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(this)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          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, topLevelVariableDeclaration)
        parseFieldInitializerOpt(this, this, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(throw)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', throw, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(throw)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(throw, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'throw'., null, {token: throw}], throw, throw)
          listener: handleIdentifier(throw, topLevelVariableDeclaration)
        parseFieldInitializerOpt(throw, throw, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(true)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', true, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(true)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(true, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'true'., null, {token: true}], true, true)
          listener: handleIdentifier(true, topLevelVariableDeclaration)
        parseFieldInitializerOpt(true, true, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(try)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', try, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(try)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(try, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'try'., null, {token: try}], try, try)
          listener: handleIdentifier(try, topLevelVariableDeclaration)
        parseFieldInitializerOpt(try, try, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', typedef, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(typedef)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(typedef, topLevelVariableDeclaration)
        parseFieldInitializerOpt(typedef, typedef, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(var)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', var, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(var)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(var, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'var'., null, {token: var}], var, var)
          listener: handleIdentifier(var, topLevelVariableDeclaration)
        parseFieldInitializerOpt(var, var, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(void)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', void, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(void)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(void, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'void'., null, {token: void}], void, void)
          listener: handleIdentifier(void, topLevelVariableDeclaration)
        parseFieldInitializerOpt(void, void, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(while)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', while, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(while)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(while, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'while'., null, {token: while}], while, while)
          listener: handleIdentifier(while, topLevelVariableDeclaration)
        parseFieldInitializerOpt(while, while, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      isReservedKeyword(with)
      indicatesMethodOrField(=)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', with, DeclarationKind.TopLevel, null, true)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(with)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, true)
          reportRecoverableErrorWithToken(with, Instance of 'Template<(Token) => Message>')
            listener: handleRecoverableError(Message[ExpectedIdentifier, Expected an identifier, but got 'with'., null, {token: with}], with, with)
          listener: handleIdentifier(with, topLevelVariableDeclaration)
        parseFieldInitializerOpt(with, with, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration(int)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(int)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(;)
      listener: beginTopLevelMember(int)
      parseFields(;, null, null, null, null, null, null, ;, Instance of 'SimpleType', yield, DeclarationKind.TopLevel, null, false)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(yield)
        listener: handleType(int, null)
        ensureIdentifierPotentiallyRecovered(int, topLevelVariableDeclaration, false)
          listener: handleIdentifier(yield, topLevelVariableDeclaration)
        parseFieldInitializerOpt(yield, yield, null, null, null, null, DeclarationKind.TopLevel, null)
          listener: beginFieldInitializer(=)
          parseExpression(=)
            parsePrecedenceExpression(=, 1, true)
              parseUnaryExpression(=, true)
                parsePrimary(=, expression)
                  parseLiteralInt(=)
                    listener: handleLiteralInt(42)
          listener: endFieldInitializer(=, ;)
        listener: endTopLevelFields(null, null, null, null, null, 1, int, ;)
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(int)
  listener: endCompilationUnit(69, )