parseUnit(UnmatchedToken({))
  skipErrorTokens(UnmatchedToken({))
  listener: beginCompilationUnit(main)
  syntheticPreviousToken(main)
  parseTopLevelDeclarationImpl(UnmatchedToken({), Instance of 'DirectiveContext')
    parseMetadataStar(UnmatchedToken({))
      listener: beginMetadataStar(main)
      listener: endMetadataStar(0)
    parseTopLevelMemberImpl(UnmatchedToken({))
      listener: beginTopLevelMember(main)
      isReservedKeyword(()
      parseTopLevelMethod(UnmatchedToken({), null, UnmatchedToken({), Instance of 'NoType', null, main, false)
        listener: beginTopLevelMethod(UnmatchedToken({), null)
        listener: handleNoType(UnmatchedToken({))
        ensureIdentifierPotentiallyRecovered(UnmatchedToken({), 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(}, print)
          parseStatement({)
            parseStatementX({)
              parseExpressionStatementOrDeclarationAfterModifiers({, {, null, null, null, false)
                looksLikeLocalFunction(print)
                parseExpressionStatement({)
                  parseExpression({)
                    parsePrecedenceExpression({, 1, true)
                      parseUnaryExpression({, true)
                        parsePrimary({, expression)
                          parseSendOrFunctionLiteral({, expression)
                            looksLikeFunctionBody(;)
                            parseSend({, expression)
                              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("Hello, World!")
                                                listener: endLiteralString(0, ))
                                    listener: endArguments(1, (, ))
                              listener: handleSend(print, ;)
                  ensureSemicolon())
                  listener: handleExpressionStatement(;)
          notEofOrValue(}, })
          listener: endBlockFunctionBody(1, {, })
        listener: endTopLevelMethod(main, null, })
  listener: endTopLevelDeclaration()
  reportAllErrorTokens(UnmatchedToken({))
    listener: handleErrorToken(UnmatchedToken({))
    listener: handleRecoverableError(Message[UnmatchedToken, Can't find '}' to match '{'., null, {string: }, token: {}], UnmatchedToken({), UnmatchedToken({))
  listener: endCompilationUnit(1, )