parseUnit(typedef)
  skipErrorTokens(typedef)
  listener: beginCompilationUnit(typedef)
  syntheticPreviousToken(typedef)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(a, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        listener: beginFunctionType(foo)
        listener: handleNoTypeVariables(()
        ensureIdentifier(=, typeReference)
          listener: handleIdentifier(foo, typeReference)
        listener: handleNoTypeArguments(Function)
        listener: handleType(foo, null)
        parseFormalParametersRequiredOpt(Function, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(b, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        listener: beginFunctionType(Function)
        listener: handleNoTypeVariables(()
        listener: handleNoType(=)
        parseFormalParametersRequiredOpt(Function, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(c, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], (, ()
        listener: beginFunctionType(foo)
        listener: handleNoTypeVariables(()
        ensureIdentifier(=, typeReference)
          listener: handleIdentifier(foo, typeReference)
        listener: handleNoTypeArguments(Function)
        listener: handleType(foo, null)
        parseFormalParametersRequiredOpt(Function, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(d, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        parseRecordType((, =)
          listener: beginRecordType(()
          parseRecordTypeField((, identifierIsOptional: true)
            listener: beginRecordTypeEntry()
            parseMetadataStar(()
              listener: beginMetadataStar(int)
              listener: endMetadataStar(0)
            listener: handleIdentifier(int, typeReference)
            listener: handleNoTypeArguments(x)
            listener: handleType(int, null)
            ensureIdentifier(int, recordFieldDeclaration)
              listener: handleIdentifier(x, recordFieldDeclaration)
            listener: endRecordTypeEntry()
          reportRecoverableError(), OnlyOneRecordTypeFieldsList)
            listener: handleRecoverableError(OnlyOneRecordTypeFieldsList, ), ))
          listener: endRecordType((, null, 1)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(e, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], (, ()
        listener: beginFunctionType(foo)
        listener: handleNoTypeVariables(()
        ensureIdentifier(=, typeReference)
          listener: handleIdentifier(foo, typeReference)
        listener: beginTypeArguments(<)
        listener: handleIdentifier(F, typeReference)
        listener: handleNoTypeArguments(>)
        listener: handleType(F, null)
        listener: endTypeArguments(1, <, >)
        listener: handleType(foo, null)
        parseFormalParametersRequiredOpt(Function, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(f, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], <, <)
        listener: beginFunctionType(Function)
        listener: beginTypeVariables(<)
        listener: beginMetadataStar(F)
        listener: endMetadataStar(0)
        listener: handleIdentifier(F, typeVariableDeclaration)
        listener: beginTypeVariable(F)
        listener: handleTypeVariablesDefined(F, 1)
        listener: handleNoType(F)
        listener: endTypeVariable(>, 0, null, null)
        listener: endTypeVariables(<, >)
        listener: handleNoType(=)
        parseFormalParametersRequiredOpt(>, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(g, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], (, ()
        listener: beginFunctionType(foo)
        listener: handleNoTypeVariables(()
        ensureIdentifier(=, typeReference)
          listener: handleIdentifier(foo, typeReference)
        listener: beginTypeArguments(<)
        listener: handleIdentifier(F, typeReference)
        listener: handleNoTypeArguments(,)
        listener: handleType(F, null)
        listener: handleIdentifier(G, typeReference)
        listener: handleNoTypeArguments(,)
        listener: handleType(G, null)
        listener: handleIdentifier(H, typeReference)
        listener: handleNoTypeArguments(,)
        listener: handleType(H, null)
        listener: handleIdentifier(I, typeReference)
        listener: handleNoTypeArguments(,)
        listener: handleType(I, null)
        listener: handleIdentifier(J, typeReference)
        listener: handleNoTypeArguments(>)
        listener: handleType(J, null)
        listener: endTypeArguments(5, <, >)
        listener: handleType(foo, null)
        parseFormalParametersRequiredOpt(Function, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(h, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], <, <)
        listener: beginFunctionType(Function)
        listener: beginTypeVariables(<)
        parseMetadataStar(<)
          listener: beginMetadataStar(F)
          listener: endMetadataStar(0)
        ensureIdentifier(<, typeVariableDeclaration)
          listener: handleIdentifier(F, typeVariableDeclaration)
        listener: beginTypeVariable(F)
        parseMetadataStar(,)
          listener: beginMetadataStar(G)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(G, typeVariableDeclaration)
        listener: beginTypeVariable(G)
        parseMetadataStar(,)
          listener: beginMetadataStar(H)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(H, typeVariableDeclaration)
        listener: beginTypeVariable(H)
        parseMetadataStar(,)
          listener: beginMetadataStar(I)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(I, typeVariableDeclaration)
        listener: beginTypeVariable(I)
        parseMetadataStar(,)
          listener: beginMetadataStar(J)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(J, typeVariableDeclaration)
        listener: beginTypeVariable(J)
        listener: handleTypeVariablesDefined(J, 5)
        listener: handleNoType(J)
        listener: endTypeVariable(>, 4, null, null)
        listener: handleNoType(I)
        listener: endTypeVariable(,, 3, null, null)
        listener: handleNoType(H)
        listener: endTypeVariable(,, 2, null, null)
        listener: handleNoType(G)
        listener: endTypeVariable(,, 1, null, null)
        listener: handleNoType(F)
        listener: endTypeVariable(,, 0, null, null)
        listener: endTypeVariables(<, >)
        listener: handleNoType(=)
        parseFormalParametersRequiredOpt(>, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
              parseMetadataStar(()
                listener: beginMetadataStar(int)
                listener: endMetadataStar(0)
              listener: beginFormalParameter(int, MemberKind.GeneralizedFunctionType, null, null, null)
              listener: handleIdentifier(int, typeReference)
              listener: handleNoTypeArguments(x)
              listener: handleType(int, null)
              ensureIdentifier(int, formalParameterDeclaration)
                listener: handleIdentifier(x, formalParameterDeclaration)
              listener: handleFormalParameterWithoutValue())
              listener: endFormalParameter(null, null, null, x, null, null, FormalParameterKind.requiredPositional, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(1, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(i, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        missingParameterMessage(MemberKind.FunctionTypeAlias)
        reportRecoverableError(>, MissingTypedefParameters)
          listener: handleRecoverableError(MissingTypedefParameters, >, >)
        rewriter()
        rewriter()
        reportRecoverableError(Function, Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}])
          listener: handleRecoverableError(Message[ExpectedButGot, Expected 'Function' before this., null, {string: Function}], <, <)
        listener: beginFunctionType(Function)
        listener: beginTypeVariables(<)
        parseMetadataStar(<)
          listener: beginMetadataStar(F)
          listener: endMetadataStar(0)
        ensureIdentifier(<, typeVariableDeclaration)
          listener: handleIdentifier(F, typeVariableDeclaration)
        listener: beginTypeVariable(F)
        parseMetadataStar(,)
          listener: beginMetadataStar(G)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(G, typeVariableDeclaration)
        listener: beginTypeVariable(G)
        parseMetadataStar(,)
          listener: beginMetadataStar(H)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(H, typeVariableDeclaration)
        listener: beginTypeVariable(H)
        parseMetadataStar(,)
          listener: beginMetadataStar(I)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(I, typeVariableDeclaration)
        listener: beginTypeVariable(I)
        parseMetadataStar(,)
          listener: beginMetadataStar(J)
          listener: endMetadataStar(0)
        ensureIdentifier(,, typeVariableDeclaration)
          listener: handleIdentifier(J, typeVariableDeclaration)
        listener: beginTypeVariable(J)
        listener: handleTypeVariablesDefined(J, 5)
        listener: handleNoType(J)
        listener: endTypeVariable(>, 4, null, null)
        listener: handleNoType(I)
        listener: endTypeVariable(,, 3, null, null)
        listener: handleNoType(H)
        listener: endTypeVariable(,, 2, null, null)
        listener: handleNoType(G)
        listener: endTypeVariable(,, 1, null, null)
        listener: handleNoType(F)
        listener: endTypeVariable(,, 0, null, null)
        listener: endTypeVariables(<, >)
        listener: handleNoType(=)
        parseFormalParametersRequiredOpt(>, MemberKind.GeneralizedFunctionType)
          parseFormalParametersRest((, MemberKind.GeneralizedFunctionType)
            listener: beginFormalParameters((, MemberKind.GeneralizedFunctionType)
            listener: endFormalParameters(0, (, ), MemberKind.GeneralizedFunctionType)
        listener: endFunctionType(Function, null)
        ensureSemicolon())
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(j, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        listener: handleIdentifier(foo, typeReference)
        listener: handleNoTypeArguments(;)
        listener: handleType(foo, null)
        ensureSemicolon(foo)
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration(typedef)
  parseTopLevelDeclarationImpl(;, Instance of 'DirectiveContext')
    parseMetadataStar(;)
      listener: beginMetadataStar(typedef)
      listener: endMetadataStar(0)
    parseTopLevelKeywordDeclaration(;, typedef, null, Instance of 'DirectiveContext')
      parseTypedef(typedef)
        listener: beginUncategorizedTopLevelDeclaration(typedef)
        listener: beginTypedef(typedef)
        ensureIdentifierPotentiallyRecovered(typedef, typedefDeclaration, true)
          listener: handleIdentifier(k, typedefDeclaration)
        listener: handleNoTypeVariables(=)
        listener: handleIdentifier(List, typeReference)
        listener: beginTypeArguments(<)
        listener: handleIdentifier(int, typeReference)
        listener: handleNoTypeArguments(>)
        listener: handleType(int, null)
        listener: endTypeArguments(1, <, >)
        listener: handleType(List, null)
        ensureSemicolon(>)
        listener: endTypedef(typedef, =, ;)
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(typedef)
  listener: endCompilationUnit(11, )