parseUnit(void)
  skipErrorTokens(void)
  listener: beginCompilationUnit(void)
  syntheticPreviousToken(void)
  parseTopLevelDeclarationImpl(, Instance of 'DirectiveContext')
    parseMetadataStar()
      listener: beginMetadataStar(void)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl()
      listener: beginTopLevelMember(void)
      parseTopLevelMethod(, null, null, , Instance of 'VoidType', null, f, false)
        listener: beginTopLevelMethod(, null, null)
        listener: handleVoidKeyword(void)
        ensureIdentifierPotentiallyRecovered(void, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(f, topLevelFunctionDeclaration)
        parseMethodTypeVar(f)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(f, f, false, MemberKind.TopLevelMethod)
          parseFormalParameters(f, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(()
                  listener: beginMetadataStar(bool)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(bool, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(bool, typeReference)
                listener: handleNoTypeArguments(b1)
                listener: handleType(bool, null)
                ensureIdentifier(bool, formalParameterDeclaration)
                  listener: handleIdentifier(b1, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, null, b1, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(bool)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(bool, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(bool, typeReference)
                listener: handleNoTypeArguments(b2)
                listener: handleType(bool, null)
                ensureIdentifier(bool, formalParameterDeclaration)
                  listener: handleIdentifier(b2, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue())
                listener: endFormalParameter(null, null, null, b2, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              listener: endFormalParameters(2, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, print)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(print)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            looksLikeFunctionBody(;)
                            parseSend({, expression)
                              isNextIdentifier({)
                              ensureIdentifier({, expression)
                                listener: handleIdentifier(print, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(print)
                                parseArguments(print)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrimary((, expression)
                                            parseLiteralString(()
                                              parseSingleLiteralString(()
                                                listener: beginLiteralString('b1=)
                                                parseIdentifierExpression($)
                                                  parseSend($, expression)
                                                    isNextIdentifier($)
                                                    ensureIdentifier($, expression)
                                                      listener: handleIdentifier(b1, expression)
                                                    listener: handleNoTypeArguments(, b2=)
                                                    parseArgumentsOpt(b1)
                                                      listener: handleNoArguments(, b2=)
                                                    listener: handleSend(b1, , b2=)
                                                listener: handleInterpolationExpression($, null)
                                                parseStringPart(b1)
                                                  listener: handleStringPart(, b2=)
                                                parseIdentifierExpression($)
                                                  parseSend($, expression)
                                                    isNextIdentifier($)
                                                    ensureIdentifier($, expression)
                                                      listener: handleIdentifier(b2, expression)
                                                    listener: handleNoTypeArguments(')
                                                    parseArgumentsOpt(b2)
                                                      listener: handleNoArguments(')
                                                    listener: handleSend(b2, ')
                                                listener: handleInterpolationExpression($, null)
                                                parseStringPart(b2)
                                                  listener: handleStringPart(')
                                                listener: endLiteralString(2, ))
                                    listener: endArguments(1, (, ))
                              listener: handleSend(print, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(void, null, })
  listener: endTopLevelDeclaration(g)
  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
    parseMetadataStar(})
      listener: beginMetadataStar(g)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(})
      listener: beginTopLevelMember(g)
      isReservedKeyword(()
      parseTopLevelMethod(}, null, null, }, Instance of 'NoType', null, g, false)
        listener: beginTopLevelMethod(}, null, null)
        listener: handleNoType(})
        ensureIdentifierPotentiallyRecovered(}, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(g, topLevelFunctionDeclaration)
        parseMethodTypeVar(g)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(g, g, false, MemberKind.TopLevelMethod)
          parseFormalParameters(g, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(()
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, 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.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(y)
                listener: handleType(int, null)
                ensureIdentifier(int, formalParameterDeclaration)
                  listener: handleIdentifier(y, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, null, y, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(a)
                listener: handleType(int, null)
                ensureIdentifier(int, formalParameterDeclaration)
                  listener: handleIdentifier(a, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, null, a, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(b)
                listener: handleType(int, null)
                ensureIdentifier(int, formalParameterDeclaration)
                  listener: handleIdentifier(b, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, null, b, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(c)
                listener: handleType(int, null)
                ensureIdentifier(int, formalParameterDeclaration)
                  listener: handleIdentifier(c, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue(,)
                listener: endFormalParameter(null, null, null, c, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              parseFormalParameter(,, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(,)
                  listener: beginMetadataStar(int)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(int, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(d)
                listener: handleType(int, null)
                ensureIdentifier(int, formalParameterDeclaration)
                  listener: handleIdentifier(d, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue())
                listener: endFormalParameter(null, null, null, d, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              listener: endFormalParameters(6, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, f)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(f)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            looksLikeFunctionBody(;)
                            parseSend({, expression)
                              isNextIdentifier({)
                              ensureIdentifier({, expression)
                                listener: handleIdentifier(f, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(f)
                                parseArguments(f)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrimary((, expression)
                                            parseSendOrFunctionLiteral((, expression)
                                              looksLikeFunctionBody())
                                              parseSend((, expression)
                                                isNextIdentifier(()
                                                ensureIdentifier((, expression)
                                                  listener: handleIdentifier(x, expression)
                                                listener: beginTypeArguments(<)
                                                listener: handleIdentifier(y, typeReference)
                                                listener: handleNoTypeArguments(,)
                                                listener: handleType(y, null)
                                                parseRecordType((, ,)
                                                  listener: beginRecordType(()
                                                  parseRecordTypeField((, identifierIsOptional: true)
                                                    listener: beginRecordTypeEntry()
                                                    parseMetadataStar(()
                                                      listener: beginMetadataStar(a)
                                                      listener: endMetadataStar(0)
                                                    listener: handleIdentifier(a, typeReference)
                                                    listener: handleNoTypeArguments(,)
                                                    listener: handleType(a, null)
                                                    listener: handleNoName(,)
                                                    listener: endRecordTypeEntry()
                                                  parseRecordTypeField(,, identifierIsOptional: true)
                                                    listener: beginRecordTypeEntry()
                                                    parseMetadataStar(,)
                                                      listener: beginMetadataStar(b)
                                                      listener: endMetadataStar(0)
                                                    listener: handleIdentifier(b, typeReference)
                                                    listener: handleNoTypeArguments())
                                                    listener: handleType(b, null)
                                                    listener: handleNoName())
                                                    listener: endRecordTypeEntry()
                                                  listener: endRecordType((, null, 2)
                                                listener: endTypeArguments(2, <, >)
                                                parseArgumentsOpt(>)
                                                  parseArguments(>)
                                                    parseArgumentsRest(()
                                                      listener: beginArguments(()
                                                      parseExpression(()
                                                        parsePrecedenceExpression((, 1, true)
                                                          parseUnaryExpression((, true)
                                                            parsePrimary((, expression)
                                                              parseSendOrFunctionLiteral((, expression)
                                                                parseSend((, expression)
                                                                  isNextIdentifier(()
                                                                  ensureIdentifier((, expression)
                                                                    listener: handleIdentifier(c, expression)
                                                                  listener: handleNoTypeArguments(,)
                                                                  parseArgumentsOpt(c)
                                                                    listener: handleNoArguments(,)
                                                                  listener: handleSend(c, ,)
                                                      parseExpression(,)
                                                        parsePrecedenceExpression(,, 1, true)
                                                          parseUnaryExpression(,, true)
                                                            parsePrimary(,, expression)
                                                              parseSendOrFunctionLiteral(,, expression)
                                                                parseSend(,, expression)
                                                                  isNextIdentifier(,)
                                                                  ensureIdentifier(,, expression)
                                                                    listener: handleIdentifier(d, expression)
                                                                  listener: handleNoTypeArguments())
                                                                  parseArgumentsOpt(d)
                                                                    listener: handleNoArguments())
                                                                  listener: handleSend(d, ))
                                                      listener: endArguments(2, (, ))
                                                listener: handleSend(x, ))
                                    listener: endArguments(1, (, ))
                              listener: handleSend(f, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(g, null, })
  listener: endTopLevelDeclaration(main)
  parseTopLevelDeclarationImpl(}, Instance of 'DirectiveContext')
    parseMetadataStar(})
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(})
      listener: beginTopLevelMember(main)
      isReservedKeyword(()
      parseTopLevelMethod(}, null, null, }, Instance of 'NoType', null, main, false)
        listener: beginTopLevelMethod(}, null, null)
        listener: handleNoType(})
        ensureIdentifierPotentiallyRecovered(}, topLevelFunctionDeclaration, false)
          listener: handleIdentifier(main, topLevelFunctionDeclaration)
        parseMethodTypeVar(main)
          listener: handleNoTypeVariables(()
        parseGetterOrFormalParameters(main, main, false, MemberKind.TopLevelMethod)
          parseFormalParameters(main, MemberKind.TopLevelMethod)
            parseFormalParametersRest((, MemberKind.TopLevelMethod)
              listener: beginFormalParameters((, MemberKind.TopLevelMethod)
              listener: endFormalParameters(0, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, g)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(g)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            looksLikeFunctionBody(;)
                            parseSend({, expression)
                              isNextIdentifier({)
                              ensureIdentifier({, expression)
                                listener: handleIdentifier(g, expression)
                              listener: handleNoTypeArguments(()
                              parseArgumentsOpt(g)
                                parseArguments(g)
                                  parseArgumentsRest(()
                                    listener: beginArguments(()
                                    parseExpression(()
                                      parsePrecedenceExpression((, 1, true)
                                        parseUnaryExpression((, true)
                                          parsePrimary((, expression)
                                            parseLiteralInt(()
                                              listener: handleLiteralInt(0)
                                    parseExpression(,)
                                      parsePrecedenceExpression(,, 1, true)
                                        parseUnaryExpression(,, true)
                                          parsePrimary(,, expression)
                                            parseLiteralInt(,)
                                              listener: handleLiteralInt(1)
                                    parseExpression(,)
                                      parsePrecedenceExpression(,, 1, true)
                                        parseUnaryExpression(,, true)
                                          parsePrimary(,, expression)
                                            parseLiteralInt(,)
                                              listener: handleLiteralInt(2)
                                    parseExpression(,)
                                      parsePrecedenceExpression(,, 1, true)
                                        parseUnaryExpression(,, true)
                                          parsePrimary(,, expression)
                                            parseLiteralInt(,)
                                              listener: handleLiteralInt(3)
                                    parseExpression(,)
                                      parsePrecedenceExpression(,, 1, true)
                                        parseUnaryExpression(,, true)
                                          parsePrimary(,, expression)
                                            parseLiteralInt(,)
                                              listener: handleLiteralInt(5)
                                    parseExpression(,)
                                      parsePrecedenceExpression(,, 1, true)
                                        parseUnaryExpression(,, true)
                                          parsePrimary(,, expression)
                                            parseLiteralInt(,)
                                              listener: handleLiteralInt(6)
                                    listener: endArguments(6, (, ))
                              listener: handleSend(g, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(void)
  listener: endCompilationUnit(3, )