parseUnit(main)
  skipErrorTokens(main)
  listener: beginCompilationUnit(main)
  syntheticPreviousToken(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)
              parseFormalParameter((, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
                parseMetadataStar(()
                  listener: beginMetadataStar(List)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(List, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(List, typeReference)
                listener: beginTypeArguments(<)
                listener: handleIdentifier(int, typeReference)
                listener: handleNoTypeArguments(>)
                listener: handleType(int, null)
                listener: endTypeArguments(1, <, >)
                listener: handleType(List, ?)
                ensureIdentifier(?, 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(bool)
                  listener: endMetadataStar(0)
                listener: beginFormalParameter(bool, MemberKind.TopLevelMethod, null, null, null)
                listener: handleIdentifier(bool, typeReference)
                listener: handleNoTypeArguments(?)
                listener: handleType(bool, ?)
                ensureIdentifier(?, formalParameterDeclaration)
                  listener: handleIdentifier(b, formalParameterDeclaration)
                listener: handleFormalParameterWithoutValue())
                listener: endFormalParameter(null, null, null, b, null, null, FormalParameterKind.requiredPositional, MemberKind.TopLevelMethod)
              listener: endFormalParameters(2, (, ), MemberKind.TopLevelMethod)
        parseAsyncModifierOpt())
          listener: handleAsyncModifier(null, null)
          inPlainSync()
        parseFunctionBody(), false, false)
          listener: beginBlockFunctionBody({)
          notEofOrValue(}, a)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(a)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            parseSend({, expression)
                              isNextIdentifier({)
                              ensureIdentifier({, expression)
                                listener: handleIdentifier(a, expression)
                              listener: handleNoTypeArguments(!)
                              parseArgumentsOpt(a)
                                listener: handleNoArguments(!)
                              listener: handleSend(a, !)
                      listener: handleNonNullAssertExpression(!)
                      parseArgumentOrIndexStar(!, Instance of 'NoTypeParamOrArg', false)
                        parseExpression([)
                          parsePrecedenceExpression([, 1, true)
                            parseUnaryExpression([, true)
                              parsePrimary([, expression)
                                parseLiteralInt([)
                                  listener: handleLiteralInt(0)
                        listener: handleIndexedExpression(null, [, ])
                  ensureSemicolon(])
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, a)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(a)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            parseSend(;, expression)
                              isNextIdentifier(;)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(a, expression)
                              listener: handleNoTypeArguments(?)
                              parseArgumentsOpt(a)
                                listener: handleNoArguments(?)
                              listener: handleSend(a, ?)
                      canParseAsConditional(?)
                        parseExpressionWithoutCascade(?)
                          parsePrecedenceExpression(?, 1, false)
                            parseUnaryExpression(?, false)
                              parsePrimary(?, expression)
                                parseLiteralListSuffix(?, null)
                                  parseExpression([)
                                    parsePrecedenceExpression([, 1, true)
                                      parseUnaryExpression([, true)
                                        parsePrimary([, expression)
                                          parseLiteralInt([)
                      parseArgumentOrIndexStar(a, Instance of 'NoTypeParamOrArg', true)
                        parseExpression([)
                          parsePrecedenceExpression([, 1, true)
                            parseUnaryExpression([, true)
                              parsePrimary([, expression)
                                parseLiteralInt([)
                                  listener: handleLiteralInt(0)
                        listener: handleIndexedExpression(?, [, ])
                  ensureSemicolon(])
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, a)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(a)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            parseSend(;, expression)
                              isNextIdentifier(;)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(a, expression)
                              listener: handleNoTypeArguments(!)
                              parseArgumentsOpt(a)
                                listener: handleNoArguments(!)
                              listener: handleSend(a, !)
                      listener: handleNonNullAssertExpression(!)
                      canParseAsConditional(?)
                        parseExpressionWithoutCascade(?)
                          parsePrecedenceExpression(?, 1, false)
                            parseUnaryExpression(?, false)
                              parsePrimary(?, expression)
                                parseLiteralListSuffix(?, null)
                                  parseExpression([)
                                    parsePrecedenceExpression([, 1, true)
                                      parseUnaryExpression([, true)
                                        parsePrimary([, expression)
                                          parseLiteralInt([)
                      parseArgumentOrIndexStar(!, Instance of 'NoTypeParamOrArg', true)
                        parseExpression([)
                          parsePrecedenceExpression([, 1, true)
                            parseUnaryExpression([, true)
                              parsePrimary([, expression)
                                parseLiteralInt([)
                                  listener: handleLiteralInt(0)
                        listener: handleIndexedExpression(?, [, ])
                  ensureSemicolon(])
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, ()
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclaration(;, false)
                parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                  looksLikeLocalFunction(()
                  parseExpressionStatement(;)
                    parseExpression(;)
                      parsePrecedenceExpression(;, 1, true)
                        parseUnaryExpression(;, true)
                          parsePrimary(;, expression)
                            parseParenthesizedExpressionFunctionLiteralOrRecordLiteral(;)
                              parseParenthesizedExpressionOrRecordLiteral(;)
                                listener: beginParenthesizedExpressionOrRecordLiteral(()
                                parseExpression(()
                                  parsePrecedenceExpression((, 1, true)
                                    parseUnaryExpression((, true)
                                      parsePrimary((, expression)
                                        parseSendOrFunctionLiteral((, expression)
                                          parseSend((, expression)
                                            isNextIdentifier(()
                                            ensureIdentifier((, expression)
                                              listener: handleIdentifier(a, expression)
                                            listener: handleNoTypeArguments(!)
                                            parseArgumentsOpt(a)
                                              listener: handleNoArguments(!)
                                            listener: handleSend(a, !)
                                    listener: handleNonNullAssertExpression(!)
                                ensureCloseParen(!, ()
                                listener: endParenthesizedExpression(()
                        canParseAsConditional(?)
                          parseExpressionWithoutCascade(?)
                            parsePrecedenceExpression(?, 1, false)
                              parseUnaryExpression(?, false)
                                parsePrimary(?, expression)
                                  parseLiteralListSuffix(?, null)
                                    parseExpression([)
                                      parsePrecedenceExpression([, 1, true)
                                        parseUnaryExpression([, true)
                                          parsePrimary([, expression)
                                            parseLiteralInt([)
                        parseArgumentOrIndexStar(), Instance of 'NoTypeParamOrArg', true)
                          parseExpression([)
                            parsePrecedenceExpression([, 1, true)
                              parseUnaryExpression([, true)
                                parsePrimary([, expression)
                                  parseLiteralInt([)
                                    listener: handleLiteralInt(0)
                          listener: handleIndexedExpression(?, [, ])
                    ensureSemicolon(])
                    listener: handleExpressionStatement(;)
          notEofOrValue(}, b)
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                looksLikeLocalFunction(b)
                parseExpressionStatement(;)
                  parseExpression(;)
                    parsePrecedenceExpression(;, 1, true)
                      parseUnaryExpression(;, true)
                        parsePrimary(;, expression)
                          parseSendOrFunctionLiteral(;, expression)
                            parseSend(;, expression)
                              isNextIdentifier(;)
                              ensureIdentifier(;, expression)
                                listener: handleIdentifier(b, expression)
                              listener: handleNoTypeArguments(!)
                              parseArgumentsOpt(b)
                                listener: handleNoArguments(!)
                              listener: handleSend(b, !)
                      listener: handleNonNullAssertExpression(!)
                      canParseAsConditional(?)
                        parseExpressionWithoutCascade(?)
                          parsePrecedenceExpression(?, 1, false)
                            parseUnaryExpression(?, false)
                              parsePrimary(?, expression)
                                parseLiteralListSuffix(?, null)
                                  parseExpression([)
                                    parsePrecedenceExpression([, 1, true)
                                      parseUnaryExpression([, true)
                                        parsePrimary([, expression)
                                          parseLiteralInt([)
                        parseExpressionWithoutCascade(:)
                          parsePrecedenceExpression(:, 1, false)
                            parseUnaryExpression(:, false)
                              parsePrimary(:, expression)
                                parseLiteralInt(:)
                      parseConditionalExpressionRest(!)
                        listener: beginConditionalExpression(?)
                        parseExpressionWithoutCascade(?)
                          parsePrecedenceExpression(?, 1, false)
                            parseUnaryExpression(?, false)
                              parsePrimary(?, expression)
                                listener: handleNoTypeArguments([)
                                parseLiteralListSuffix(?, null)
                                  parseExpression([)
                                    parsePrecedenceExpression([, 1, true)
                                      parseUnaryExpression([, true)
                                        parsePrimary([, expression)
                                          parseLiteralInt([)
                                            listener: handleLiteralInt(0)
                                  listener: handleLiteralList(1, [, null, ])
                        ensureColon(])
                        listener: handleConditionalExpressionColon()
                        parseExpressionWithoutCascade(:)
                          parsePrecedenceExpression(:, 1, false)
                            parseUnaryExpression(:, false)
                              parsePrimary(:, expression)
                                parseLiteralInt(:)
                                  listener: handleLiteralInt(0)
                        listener: endConditionalExpression(?, :)
                  ensureSemicolon(0)
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, ()
          parseStatement(;)
            parseStatementX(;)
              parseExpressionStatementOrDeclaration(;, false)
                parseExpressionStatementOrDeclarationAfterModifiers(;, ;, null, null, null, false)
                  looksLikeLocalFunction(()
                  parseExpressionStatement(;)
                    parseExpression(;)
                      parsePrecedenceExpression(;, 1, true)
                        parseUnaryExpression(;, true)
                          parsePrimary(;, expression)
                            parseParenthesizedExpressionFunctionLiteralOrRecordLiteral(;)
                              parseParenthesizedExpressionOrRecordLiteral(;)
                                listener: beginParenthesizedExpressionOrRecordLiteral(()
                                parseExpression(()
                                  parsePrecedenceExpression((, 1, true)
                                    parseUnaryExpression((, true)
                                      parsePrimary((, expression)
                                        parseSendOrFunctionLiteral((, expression)
                                          parseSend((, expression)
                                            isNextIdentifier(()
                                            ensureIdentifier((, expression)
                                              listener: handleIdentifier(b, expression)
                                            listener: handleNoTypeArguments(!)
                                            parseArgumentsOpt(b)
                                              listener: handleNoArguments(!)
                                            listener: handleSend(b, !)
                                    listener: handleNonNullAssertExpression(!)
                                ensureCloseParen(!, ()
                                listener: endParenthesizedExpression(()
                        canParseAsConditional(?)
                          parseExpressionWithoutCascade(?)
                            parsePrecedenceExpression(?, 1, false)
                              parseUnaryExpression(?, false)
                                parsePrimary(?, expression)
                                  parseLiteralListSuffix(?, null)
                                    parseExpression([)
                                      parsePrecedenceExpression([, 1, true)
                                        parseUnaryExpression([, true)
                                          parsePrimary([, expression)
                                            parseLiteralInt([)
                          parseExpressionWithoutCascade(:)
                            parsePrecedenceExpression(:, 1, false)
                              parseUnaryExpression(:, false)
                                parsePrimary(:, expression)
                                  parseLiteralInt(:)
                        parseConditionalExpressionRest())
                          listener: beginConditionalExpression(?)
                          parseExpressionWithoutCascade(?)
                            parsePrecedenceExpression(?, 1, false)
                              parseUnaryExpression(?, false)
                                parsePrimary(?, expression)
                                  listener: handleNoTypeArguments([)
                                  parseLiteralListSuffix(?, null)
                                    parseExpression([)
                                      parsePrecedenceExpression([, 1, true)
                                        parseUnaryExpression([, true)
                                          parsePrimary([, expression)
                                            parseLiteralInt([)
                                              listener: handleLiteralInt(0)
                                    listener: handleLiteralList(1, [, null, ])
                          ensureColon(])
                          listener: handleConditionalExpressionColon()
                          parseExpressionWithoutCascade(:)
                            parsePrecedenceExpression(:, 1, false)
                              parseUnaryExpression(:, false)
                                parsePrimary(:, expression)
                                  parseLiteralInt(:)
                                    listener: handleLiteralInt(0)
                          listener: endConditionalExpression(?, :)
                    ensureSemicolon(0)
                    listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(6, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(main)
  listener: endCompilationUnit(1, )