pkg/analyzer/lib/src/dart/error/syntactic_errors.g.dart

//
// THIS FILE IS GENERATED. DO NOT EDIT.
//
// Instead modify 'pkg/front_end/messages.yaml' and run
// 'dart pkg/analyzer/tool/messages/generate.dart' to update.

part of 'syntactic_errors.analyzer.g.dart';

final fastaAnalyzerErrorCodes = <ErrorCode?>[
  null,
  _EQUALITY_CANNOT_BE_EQUALITY_OPERAND,
  _CONTINUE_OUTSIDE_OF_LOOP,
  _EXTERNAL_CLASS,
  _STATIC_CONSTRUCTOR,
  _EXTERNAL_ENUM,
  _PREFIX_AFTER_COMBINATOR,
  _TYPEDEF_IN_CLASS,
  _EXPECTED_BODY,
  _INVALID_AWAIT_IN_FOR,
  _IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE,
  _WITH_BEFORE_EXTENDS,
  _VAR_RETURN_TYPE,
  _TYPE_ARGUMENTS_ON_TYPE_VARIABLE,
  _TOP_LEVEL_OPERATOR,
  _SWITCH_HAS_MULTIPLE_DEFAULT_CASES,
  _SWITCH_HAS_CASE_AFTER_DEFAULT_CASE,
  _STATIC_OPERATOR,
  _INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER,
  _STACK_OVERFLOW,
  _MISSING_CATCH_OR_FINALLY,
  _REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR,
  _REDIRECTING_CONSTRUCTOR_WITH_BODY,
  _NATIVE_CLAUSE_SHOULD_BE_ANNOTATION,
  _MULTIPLE_WITH_CLAUSES,
  _MULTIPLE_PART_OF_DIRECTIVES,
  _MULTIPLE_ON_CLAUSES,
  _MULTIPLE_LIBRARY_DIRECTIVES,
  _MULTIPLE_EXTENDS_CLAUSES,
  _MISSING_STATEMENT,
  _MISSING_PREFIX_IN_DEFERRED_IMPORT,
  _MISSING_KEYWORD_OPERATOR,
  _MISSING_EXPRESSION_IN_THROW,
  _MISSING_CONST_FINAL_VAR_OR_TYPE,
  _MISSING_ASSIGNMENT_IN_INITIALIZER,
  _MISSING_ASSIGNABLE_SELECTOR,
  _MISSING_INITIALIZER,
  _LIBRARY_DIRECTIVE_NOT_FIRST,
  _INVALID_UNICODE_ESCAPE,
  _INVALID_OPERATOR,
  _INVALID_HEX_ESCAPE,
  _EXPECTED_INSTEAD,
  _IMPLEMENTS_BEFORE_WITH,
  _IMPLEMENTS_BEFORE_ON,
  _IMPLEMENTS_BEFORE_EXTENDS,
  _ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE,
  _EXPECTED_ELSE_OR_COMMA,
  _INVALID_SUPER_IN_INITIALIZER,
  _EXPERIMENT_NOT_ENABLED,
  _EXTERNAL_METHOD_WITH_BODY,
  _EXTERNAL_FIELD,
  _ABSTRACT_CLASS_MEMBER,
  _BREAK_OUTSIDE_OF_LOOP,
  _CLASS_IN_CLASS,
  _COLON_IN_PLACE_OF_IN,
  _CONSTRUCTOR_WITH_RETURN_TYPE,
  _MODIFIER_OUT_OF_ORDER,
  _TYPE_BEFORE_FACTORY,
  _CONST_AND_FINAL,
  _CONFLICTING_MODIFIERS,
  _CONST_CLASS,
  _VAR_AS_TYPE_NAME,
  _CONST_FACTORY,
  _CONST_METHOD,
  _CONTINUE_WITHOUT_LABEL_IN_CASE,
  _INVALID_THIS_IN_INITIALIZER,
  _COVARIANT_AND_STATIC,
  _COVARIANT_MEMBER,
  _DEFERRED_AFTER_PREFIX,
  _DIRECTIVE_AFTER_DECLARATION,
  _DUPLICATED_MODIFIER,
  _DUPLICATE_DEFERRED,
  _DUPLICATE_LABEL_IN_SWITCH_STATEMENT,
  _DUPLICATE_PREFIX,
  _ENUM_IN_CLASS,
  _EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE,
  _EXTERNAL_TYPEDEF,
  _EXTRANEOUS_MODIFIER,
  _FACTORY_TOP_LEVEL_DECLARATION,
  _FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR,
  _FINAL_AND_COVARIANT,
  _FINAL_AND_VAR,
  _INITIALIZED_VARIABLE_IN_FOR_EACH,
  _CATCH_SYNTAX_EXTRA_PARAMETERS,
  _CATCH_SYNTAX,
  _EXTERNAL_FACTORY_REDIRECTION,
  _EXTERNAL_FACTORY_WITH_BODY,
  _EXTERNAL_CONSTRUCTOR_WITH_BODY,
  _FIELD_INITIALIZED_OUTSIDE_DECLARING_CLASS,
  _VAR_AND_TYPE,
  _INVALID_INITIALIZER,
  _ANNOTATION_WITH_TYPE_ARGUMENTS,
  _EXTENSION_DECLARES_CONSTRUCTOR,
  _EXTENSION_DECLARES_INSTANCE_FIELD,
  _EXTENSION_DECLARES_ABSTRACT_MEMBER,
  _MIXIN_DECLARES_CONSTRUCTOR,
  _NULL_AWARE_CASCADE_OUT_OF_ORDER,
  _MULTIPLE_VARIANCE_MODIFIERS,
  _INVALID_USE_OF_COVARIANT_IN_EXTENSION,
  _TYPE_PARAMETER_ON_CONSTRUCTOR,
  _VOID_WITH_TYPE_ARGUMENTS,
  _FINAL_AND_COVARIANT_LATE_WITH_INITIALIZER,
  _INVALID_CONSTRUCTOR_NAME,
  _GETTER_CONSTRUCTOR,
  _SETTER_CONSTRUCTOR,
  _MEMBER_WITH_CLASS_NAME,
  _EXTERNAL_CONSTRUCTOR_WITH_INITIALIZER,
  _ABSTRACT_STATIC_FIELD,
  _ABSTRACT_LATE_FIELD,
  _EXTERNAL_LATE_FIELD,
  _ABSTRACT_EXTERNAL_FIELD,
  _ANNOTATION_ON_TYPE_ARGUMENT,
  _BINARY_OPERATOR_WRITTEN_OUT,
  _EXPECTED_IDENTIFIER_BUT_GOT_KEYWORD,
  _ANNOTATION_WITH_TYPE_ARGUMENTS_UNINSTANTIATED,
  _LITERAL_WITH_CLASS_AND_NEW,
  _LITERAL_WITH_CLASS,
  _LITERAL_WITH_NEW,
  _CONSTRUCTOR_WITH_TYPE_ARGUMENTS,
];

const ParserErrorCode _ABSTRACT_CLASS_MEMBER = ParserErrorCode(
  'ABSTRACT_CLASS_MEMBER',
  "Members of classes can't be declared to be 'abstract'.",
  correction:
      "Try removing the 'abstract' keyword. You can add the 'abstract' keyword before the class declaration.",
);

const ParserErrorCode _ABSTRACT_EXTERNAL_FIELD = ParserErrorCode(
  'ABSTRACT_EXTERNAL_FIELD',
  "Fields can't be declared both 'abstract' and 'external'.",
  correction: "Try removing the 'abstract' or 'external' keyword.",
);

const ParserErrorCode _ABSTRACT_LATE_FIELD = ParserErrorCode(
  'ABSTRACT_LATE_FIELD',
  "Abstract fields cannot be late.",
  correction: "Try removing the 'abstract' or 'late' keyword.",
);

const ParserErrorCode _ABSTRACT_STATIC_FIELD = ParserErrorCode(
  'ABSTRACT_STATIC_FIELD',
  "Static fields can't be declared 'abstract'.",
  correction: "Try removing the 'abstract' or 'static' keyword.",
);

const ParserErrorCode _ANNOTATION_ON_TYPE_ARGUMENT = ParserErrorCode(
  'ANNOTATION_ON_TYPE_ARGUMENT',
  "Type arguments can't have annotations because they aren't declarations.",
);

const ParserErrorCode _ANNOTATION_WITH_TYPE_ARGUMENTS = ParserErrorCode(
  'ANNOTATION_WITH_TYPE_ARGUMENTS',
  "An annotation can't use type arguments.",
);

const ParserErrorCode _ANNOTATION_WITH_TYPE_ARGUMENTS_UNINSTANTIATED =
    ParserErrorCode(
  'ANNOTATION_WITH_TYPE_ARGUMENTS_UNINSTANTIATED',
  "An annotation with type arguments must be followed by an argument list.",
);

const ParserErrorCode _BINARY_OPERATOR_WRITTEN_OUT = ParserErrorCode(
  'BINARY_OPERATOR_WRITTEN_OUT',
  "Binary operator '{0}' is written as '{1}' instead of the written out word.",
  correction: "Try replacing '{0}' with '{1}'.",
);

const ParserErrorCode _BREAK_OUTSIDE_OF_LOOP = ParserErrorCode(
  'BREAK_OUTSIDE_OF_LOOP',
  "A break statement can't be used outside of a loop or switch statement.",
  correction: "Try removing the break statement.",
);

const ParserErrorCode _CATCH_SYNTAX = ParserErrorCode(
  'CATCH_SYNTAX',
  "'catch' must be followed by '(identifier)' or '(identifier, identifier)'.",
  correction:
      "No types are needed, the first is given by 'on', the second is always 'StackTrace'.",
);

const ParserErrorCode _CATCH_SYNTAX_EXTRA_PARAMETERS = ParserErrorCode(
  'CATCH_SYNTAX_EXTRA_PARAMETERS',
  "'catch' must be followed by '(identifier)' or '(identifier, identifier)'.",
  correction:
      "No types are needed, the first is given by 'on', the second is always 'StackTrace'.",
);

const ParserErrorCode _CLASS_IN_CLASS = ParserErrorCode(
  'CLASS_IN_CLASS',
  "Classes can't be declared inside other classes.",
  correction: "Try moving the class to the top-level.",
);

const ParserErrorCode _COLON_IN_PLACE_OF_IN = ParserErrorCode(
  'COLON_IN_PLACE_OF_IN',
  "For-in loops use 'in' rather than a colon.",
  correction: "Try replacing the colon with the keyword 'in'.",
);

const ParserErrorCode _CONFLICTING_MODIFIERS = ParserErrorCode(
  'CONFLICTING_MODIFIERS',
  "Members can't be declared to be both '{0}' and '{1}'.",
  correction: "Try removing one of the keywords.",
);

const ParserErrorCode _CONSTRUCTOR_WITH_RETURN_TYPE = ParserErrorCode(
  'CONSTRUCTOR_WITH_RETURN_TYPE',
  "Constructors can't have a return type.",
  correction: "Try removing the return type.",
);

const ParserErrorCode _CONSTRUCTOR_WITH_TYPE_ARGUMENTS = ParserErrorCode(
  'CONSTRUCTOR_WITH_TYPE_ARGUMENTS',
  "A constructor invocation can't have type arguments after the constructor name.",
  correction:
      "Try removing the type arguments or placing them after the class name.",
);

const ParserErrorCode _CONST_AND_FINAL = ParserErrorCode(
  'CONST_AND_FINAL',
  "Members can't be declared to be both 'const' and 'final'.",
  correction: "Try removing either the 'const' or 'final' keyword.",
);

const ParserErrorCode _CONST_CLASS = ParserErrorCode(
  'CONST_CLASS',
  "Classes can't be declared to be 'const'.",
  correction:
      "Try removing the 'const' keyword. If you're trying to indicate that instances of the class can be constants, place the 'const' keyword on  the class' constructor(s).",
);

const ParserErrorCode _CONST_FACTORY = ParserErrorCode(
  'CONST_FACTORY',
  "Only redirecting factory constructors can be declared to be 'const'.",
  correction:
      "Try removing the 'const' keyword, or replacing the body with '=' followed by a valid target.",
);

const ParserErrorCode _CONST_METHOD = ParserErrorCode(
  'CONST_METHOD',
  "Getters, setters and methods can't be declared to be 'const'.",
  correction: "Try removing the 'const' keyword.",
);

const ParserErrorCode _CONTINUE_OUTSIDE_OF_LOOP = ParserErrorCode(
  'CONTINUE_OUTSIDE_OF_LOOP',
  "A continue statement can't be used outside of a loop or switch statement.",
  correction: "Try removing the continue statement.",
);

const ParserErrorCode _CONTINUE_WITHOUT_LABEL_IN_CASE = ParserErrorCode(
  'CONTINUE_WITHOUT_LABEL_IN_CASE',
  "A continue statement in a switch statement must have a label as a target.",
  correction:
      "Try adding a label associated with one of the case clauses to the continue statement.",
);

const ParserErrorCode _COVARIANT_AND_STATIC = ParserErrorCode(
  'COVARIANT_AND_STATIC',
  "Members can't be declared to be both 'covariant' and 'static'.",
  correction: "Try removing either the 'covariant' or 'static' keyword.",
);

const ParserErrorCode _COVARIANT_MEMBER = ParserErrorCode(
  'COVARIANT_MEMBER',
  "Getters, setters and methods can't be declared to be 'covariant'.",
  correction: "Try removing the 'covariant' keyword.",
);

const ParserErrorCode _DEFERRED_AFTER_PREFIX = ParserErrorCode(
  'DEFERRED_AFTER_PREFIX',
  "The deferred keyword should come immediately before the prefix ('as' clause).",
  correction: "Try moving the deferred keyword before the prefix.",
);

const ParserErrorCode _DIRECTIVE_AFTER_DECLARATION = ParserErrorCode(
  'DIRECTIVE_AFTER_DECLARATION',
  "Directives must appear before any declarations.",
  correction: "Try moving the directive before any declarations.",
);

const ParserErrorCode _DUPLICATED_MODIFIER = ParserErrorCode(
  'DUPLICATED_MODIFIER',
  "The modifier '{0}' was already specified.",
  correction: "Try removing all but one occurrence of the modifier.",
);

const ParserErrorCode _DUPLICATE_DEFERRED = ParserErrorCode(
  'DUPLICATE_DEFERRED',
  "An import directive can only have one 'deferred' keyword.",
  correction: "Try removing all but one 'deferred' keyword.",
);

const ParserErrorCode _DUPLICATE_LABEL_IN_SWITCH_STATEMENT = ParserErrorCode(
  'DUPLICATE_LABEL_IN_SWITCH_STATEMENT',
  "The label '{0}' was already used in this switch statement.",
  correction: "Try choosing a different name for this label.",
);

const ParserErrorCode _DUPLICATE_PREFIX = ParserErrorCode(
  'DUPLICATE_PREFIX',
  "An import directive can only have one prefix ('as' clause).",
  correction: "Try removing all but one prefix.",
);

const ParserErrorCode _ENUM_IN_CLASS = ParserErrorCode(
  'ENUM_IN_CLASS',
  "Enums can't be declared inside classes.",
  correction: "Try moving the enum to the top-level.",
);

const ParserErrorCode _EQUALITY_CANNOT_BE_EQUALITY_OPERAND = ParserErrorCode(
  'EQUALITY_CANNOT_BE_EQUALITY_OPERAND',
  "A comparison expression can't be an operand of another comparison expression.",
  correction: "Try putting parentheses around one of the comparisons.",
);

const ParserErrorCode _EXPECTED_BODY = ParserErrorCode(
  'EXPECTED_BODY',
  "A {0} must have a body, even if it is empty.",
  correction: "Try adding an empty body.",
);

const ParserErrorCode _EXPECTED_ELSE_OR_COMMA = ParserErrorCode(
  'EXPECTED_ELSE_OR_COMMA',
  "Expected 'else' or comma.",
);

const ParserErrorCode _EXPECTED_IDENTIFIER_BUT_GOT_KEYWORD = ParserErrorCode(
  'EXPECTED_IDENTIFIER_BUT_GOT_KEYWORD',
  "'{0}' can't be used as an identifier because it's a keyword.",
  correction: "Try renaming this to be an identifier that isn't a keyword.",
);

const ParserErrorCode _EXPECTED_INSTEAD = ParserErrorCode(
  'EXPECTED_INSTEAD',
  "Expected '{0}' instead of this.",
);

const ParserErrorCode _EXPERIMENT_NOT_ENABLED = ParserErrorCode(
  'EXPERIMENT_NOT_ENABLED',
  "This requires the '{0}' language feature to be enabled.",
  correction:
      "Try updating your pubspec.yaml to set the minimum SDK constraint to {1} or higher, and running 'pub get'.",
);

const ParserErrorCode _EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = ParserErrorCode(
  'EXPORT_DIRECTIVE_AFTER_PART_DIRECTIVE',
  "Export directives must precede part directives.",
  correction: "Try moving the export directives before the part directives.",
);

const ParserErrorCode _EXTENSION_DECLARES_ABSTRACT_MEMBER = ParserErrorCode(
  'EXTENSION_DECLARES_ABSTRACT_MEMBER',
  "Extensions can't declare abstract members.",
  correction: "Try providing an implementation for the member.",
  hasPublishedDocs: true,
);

const ParserErrorCode _EXTENSION_DECLARES_CONSTRUCTOR = ParserErrorCode(
  'EXTENSION_DECLARES_CONSTRUCTOR',
  "Extensions can't declare constructors.",
  correction: "Try removing the constructor declaration.",
  hasPublishedDocs: true,
);

const ParserErrorCode _EXTENSION_DECLARES_INSTANCE_FIELD = ParserErrorCode(
  'EXTENSION_DECLARES_INSTANCE_FIELD',
  "Extensions can't declare instance fields",
  correction: "Try removing the field declaration or making it a static field",
  hasPublishedDocs: true,
);

const ParserErrorCode _EXTERNAL_CLASS = ParserErrorCode(
  'EXTERNAL_CLASS',
  "Classes can't be declared to be 'external'.",
  correction: "Try removing the keyword 'external'.",
);

const ParserErrorCode _EXTERNAL_CONSTRUCTOR_WITH_BODY = ParserErrorCode(
  'EXTERNAL_CONSTRUCTOR_WITH_BODY',
  "External constructors can't have a body.",
  correction:
      "Try removing the body of the constructor, or removing the keyword 'external'.",
);

const ParserErrorCode _EXTERNAL_CONSTRUCTOR_WITH_INITIALIZER = ParserErrorCode(
  'EXTERNAL_CONSTRUCTOR_WITH_INITIALIZER',
  "An external constructor can't have any initializers.",
);

const ParserErrorCode _EXTERNAL_ENUM = ParserErrorCode(
  'EXTERNAL_ENUM',
  "Enums can't be declared to be 'external'.",
  correction: "Try removing the keyword 'external'.",
);

const ParserErrorCode _EXTERNAL_FACTORY_REDIRECTION = ParserErrorCode(
  'EXTERNAL_FACTORY_REDIRECTION',
  "A redirecting factory can't be external.",
  correction: "Try removing the 'external' modifier.",
);

const ParserErrorCode _EXTERNAL_FACTORY_WITH_BODY = ParserErrorCode(
  'EXTERNAL_FACTORY_WITH_BODY',
  "External factories can't have a body.",
  correction:
      "Try removing the body of the factory, or removing the keyword 'external'.",
);

const ParserErrorCode _EXTERNAL_FIELD = ParserErrorCode(
  'EXTERNAL_FIELD',
  "Fields can't be declared to be 'external'.",
  correction:
      "Try removing the keyword 'external', or replacing the field by an external getter and/or setter.",
);

const ParserErrorCode _EXTERNAL_LATE_FIELD = ParserErrorCode(
  'EXTERNAL_LATE_FIELD',
  "External fields cannot be late.",
  correction: "Try removing the 'external' or 'late' keyword.",
);

const ParserErrorCode _EXTERNAL_METHOD_WITH_BODY = ParserErrorCode(
  'EXTERNAL_METHOD_WITH_BODY',
  "An external or native method can't have a body.",
);

const ParserErrorCode _EXTERNAL_TYPEDEF = ParserErrorCode(
  'EXTERNAL_TYPEDEF',
  "Typedefs can't be declared to be 'external'.",
  correction: "Try removing the keyword 'external'.",
);

const ParserErrorCode _EXTRANEOUS_MODIFIER = ParserErrorCode(
  'EXTRANEOUS_MODIFIER',
  "Can't have modifier '{0}' here.",
  correction: "Try removing '{0}'.",
);

const ParserErrorCode _FACTORY_TOP_LEVEL_DECLARATION = ParserErrorCode(
  'FACTORY_TOP_LEVEL_DECLARATION',
  "Top-level declarations can't be declared to be 'factory'.",
  correction: "Try removing the keyword 'factory'.",
);

const ParserErrorCode _FIELD_INITIALIZED_OUTSIDE_DECLARING_CLASS =
    ParserErrorCode(
  'FIELD_INITIALIZED_OUTSIDE_DECLARING_CLASS',
  "A field can only be initialized in its declaring class",
  correction:
      "Try passing a value into the superclass constructor, or moving the initialization into the constructor body.",
);

const ParserErrorCode _FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR = ParserErrorCode(
  'FIELD_INITIALIZER_OUTSIDE_CONSTRUCTOR',
  "Field formal parameters can only be used in a constructor.",
  correction: "Try removing 'this.'.",
);

const ParserErrorCode _FINAL_AND_COVARIANT = ParserErrorCode(
  'FINAL_AND_COVARIANT',
  "Members can't be declared to be both 'final' and 'covariant'.",
  correction: "Try removing either the 'final' or 'covariant' keyword.",
);

const ParserErrorCode _FINAL_AND_COVARIANT_LATE_WITH_INITIALIZER =
    ParserErrorCode(
  'FINAL_AND_COVARIANT_LATE_WITH_INITIALIZER',
  "Members marked 'late' with an initializer can't be declared to be both 'final' and 'covariant'.",
  correction:
      "Try removing either the 'final' or 'covariant' keyword, or removing the initializer.",
);

const ParserErrorCode _FINAL_AND_VAR = ParserErrorCode(
  'FINAL_AND_VAR',
  "Members can't be declared to be both 'final' and 'var'.",
  correction: "Try removing the keyword 'var'.",
);

const ParserErrorCode _GETTER_CONSTRUCTOR = ParserErrorCode(
  'GETTER_CONSTRUCTOR',
  "Constructors can't be a getter.",
  correction: "Try removing 'get'.",
);

const ParserErrorCode _ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE = ParserErrorCode(
  'ILLEGAL_ASSIGNMENT_TO_NON_ASSIGNABLE',
  "Illegal assignment to non-assignable expression.",
);

const ParserErrorCode _IMPLEMENTS_BEFORE_EXTENDS = ParserErrorCode(
  'IMPLEMENTS_BEFORE_EXTENDS',
  "The extends clause must be before the implements clause.",
  correction: "Try moving the extends clause before the implements clause.",
);

const ParserErrorCode _IMPLEMENTS_BEFORE_ON = ParserErrorCode(
  'IMPLEMENTS_BEFORE_ON',
  "The on clause must be before the implements clause.",
  correction: "Try moving the on clause before the implements clause.",
);

const ParserErrorCode _IMPLEMENTS_BEFORE_WITH = ParserErrorCode(
  'IMPLEMENTS_BEFORE_WITH',
  "The with clause must be before the implements clause.",
  correction: "Try moving the with clause before the implements clause.",
);

const ParserErrorCode _IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE = ParserErrorCode(
  'IMPORT_DIRECTIVE_AFTER_PART_DIRECTIVE',
  "Import directives must precede part directives.",
  correction: "Try moving the import directives before the part directives.",
);

const ParserErrorCode _INITIALIZED_VARIABLE_IN_FOR_EACH = ParserErrorCode(
  'INITIALIZED_VARIABLE_IN_FOR_EACH',
  "The loop variable in a for-each loop can't be initialized.",
  correction:
      "Try removing the initializer, or using a different kind of loop.",
);

const ParserErrorCode _INVALID_AWAIT_IN_FOR = ParserErrorCode(
  'INVALID_AWAIT_IN_FOR',
  "The keyword 'await' isn't allowed for a normal 'for' statement.",
  correction: "Try removing the keyword, or use a for-each statement.",
);

const ParserErrorCode _INVALID_CONSTRUCTOR_NAME = ParserErrorCode(
  'INVALID_CONSTRUCTOR_NAME',
  "The name of a constructor must match the name of the enclosing class.",
);

const ParserErrorCode _INVALID_HEX_ESCAPE = ParserErrorCode(
  'INVALID_HEX_ESCAPE',
  "An escape sequence starting with '\\x' must be followed by 2 hexadecimal digits.",
);

const ParserErrorCode _INVALID_INITIALIZER = ParserErrorCode(
  'INVALID_INITIALIZER',
  "Not a valid initializer.",
  correction: "To initialize a field, use the syntax 'name = value'.",
);

const ParserErrorCode _INVALID_OPERATOR = ParserErrorCode(
  'INVALID_OPERATOR',
  "The string '{0}' isn't a user-definable operator.",
);

const ParserErrorCode _INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER =
    ParserErrorCode(
  'INVALID_OPERATOR_QUESTIONMARK_PERIOD_FOR_SUPER',
  "The operator '?.' cannot be used with 'super' because 'super' cannot be null.",
  correction: "Try replacing '?.' with '.'",
);

const ParserErrorCode _INVALID_SUPER_IN_INITIALIZER = ParserErrorCode(
  'INVALID_SUPER_IN_INITIALIZER',
  "Can only use 'super' in an initializer for calling the superclass constructor (e.g. 'super()' or 'super.namedConstructor()')",
);

const ParserErrorCode _INVALID_THIS_IN_INITIALIZER = ParserErrorCode(
  'INVALID_THIS_IN_INITIALIZER',
  "Can only use 'this' in an initializer for field initialization (e.g. 'this.x = something') and constructor redirection (e.g. 'this()' or 'this.namedConstructor())",
);

const ParserErrorCode _INVALID_UNICODE_ESCAPE = ParserErrorCode(
  'INVALID_UNICODE_ESCAPE',
  "An escape sequence starting with '\\u' must be followed by 4 hexadecimal digits or from 1 to 6 digits between '{' and '}'.",
);

const ParserErrorCode _INVALID_USE_OF_COVARIANT_IN_EXTENSION = ParserErrorCode(
  'INVALID_USE_OF_COVARIANT_IN_EXTENSION',
  "Can't have modifier '{0}' in an extension.",
  correction: "Try removing '{0}'.",
  hasPublishedDocs: true,
);

const ParserErrorCode _LIBRARY_DIRECTIVE_NOT_FIRST = ParserErrorCode(
  'LIBRARY_DIRECTIVE_NOT_FIRST',
  "The library directive must appear before all other directives.",
  correction: "Try moving the library directive before any other directives.",
);

const ParserErrorCode _LITERAL_WITH_CLASS = ParserErrorCode(
  'LITERAL_WITH_CLASS',
  "A {0} literal can't be prefixed by '{1}'.",
  correction: "Try removing '{1}'",
);

const ParserErrorCode _LITERAL_WITH_CLASS_AND_NEW = ParserErrorCode(
  'LITERAL_WITH_CLASS_AND_NEW',
  "A {0} literal can't be prefixed by 'new {1}'.",
  correction: "Try removing 'new' and '{1}'",
);

const ParserErrorCode _LITERAL_WITH_NEW = ParserErrorCode(
  'LITERAL_WITH_NEW',
  "A literal can't be prefixed by 'new'.",
  correction: "Try removing 'new'",
);

const ParserErrorCode _MEMBER_WITH_CLASS_NAME = ParserErrorCode(
  'MEMBER_WITH_CLASS_NAME',
  "A class member can't have the same name as the enclosing class.",
  correction: "Try renaming the member.",
);

const ParserErrorCode _MISSING_ASSIGNABLE_SELECTOR = ParserErrorCode(
  'MISSING_ASSIGNABLE_SELECTOR',
  "Missing selector such as '.identifier' or '[0]'.",
  correction: "Try adding a selector.",
);

const ParserErrorCode _MISSING_ASSIGNMENT_IN_INITIALIZER = ParserErrorCode(
  'MISSING_ASSIGNMENT_IN_INITIALIZER',
  "Expected an assignment after the field name.",
  correction: "To initialize a field, use the syntax 'name = value'.",
);

const ParserErrorCode _MISSING_CATCH_OR_FINALLY = ParserErrorCode(
  'MISSING_CATCH_OR_FINALLY',
  "A try block must be followed by an 'on', 'catch', or 'finally' clause.",
  correction:
      "Try adding either a catch or finally clause, or remove the try statement.",
);

const ParserErrorCode _MISSING_CONST_FINAL_VAR_OR_TYPE = ParserErrorCode(
  'MISSING_CONST_FINAL_VAR_OR_TYPE',
  "Variables must be declared using the keywords 'const', 'final', 'var' or a type name.",
  correction:
      "Try adding the name of the type of the variable or the keyword 'var'.",
);

const ParserErrorCode _MISSING_EXPRESSION_IN_THROW = ParserErrorCode(
  'MISSING_EXPRESSION_IN_THROW',
  "Missing expression after 'throw'.",
  correction:
      "Add an expression after 'throw' or use 'rethrow' to throw a caught exception",
);

const ParserErrorCode _MISSING_INITIALIZER = ParserErrorCode(
  'MISSING_INITIALIZER',
  "Expected an initializer.",
);

const ParserErrorCode _MISSING_KEYWORD_OPERATOR = ParserErrorCode(
  'MISSING_KEYWORD_OPERATOR',
  "Operator declarations must be preceded by the keyword 'operator'.",
  correction: "Try adding the keyword 'operator'.",
);

const ParserErrorCode _MISSING_PREFIX_IN_DEFERRED_IMPORT = ParserErrorCode(
  'MISSING_PREFIX_IN_DEFERRED_IMPORT',
  "Deferred imports should have a prefix.",
  correction: "Try adding a prefix to the import by adding an 'as' clause.",
);

const ParserErrorCode _MISSING_STATEMENT = ParserErrorCode(
  'MISSING_STATEMENT',
  "Expected a statement.",
);

const ParserErrorCode _MIXIN_DECLARES_CONSTRUCTOR = ParserErrorCode(
  'MIXIN_DECLARES_CONSTRUCTOR',
  "Mixins can't declare constructors.",
);

const ParserErrorCode _MODIFIER_OUT_OF_ORDER = ParserErrorCode(
  'MODIFIER_OUT_OF_ORDER',
  "The modifier '{0}' should be before the modifier '{1}'.",
  correction: "Try re-ordering the modifiers.",
);

const ParserErrorCode _MULTIPLE_EXTENDS_CLAUSES = ParserErrorCode(
  'MULTIPLE_EXTENDS_CLAUSES',
  "Each class definition can have at most one extends clause.",
  correction:
      "Try choosing one superclass and define your class to implement (or mix in) the others.",
);

const ParserErrorCode _MULTIPLE_LIBRARY_DIRECTIVES = ParserErrorCode(
  'MULTIPLE_LIBRARY_DIRECTIVES',
  "Only one library directive may be declared in a file.",
  correction: "Try removing all but one of the library directives.",
);

const ParserErrorCode _MULTIPLE_ON_CLAUSES = ParserErrorCode(
  'MULTIPLE_ON_CLAUSES',
  "Each mixin definition can have at most one on clause.",
  correction: "Try combining all of the on clauses into a single clause.",
);

const ParserErrorCode _MULTIPLE_PART_OF_DIRECTIVES = ParserErrorCode(
  'MULTIPLE_PART_OF_DIRECTIVES',
  "Only one part-of directive may be declared in a file.",
  correction: "Try removing all but one of the part-of directives.",
);

const ParserErrorCode _MULTIPLE_VARIANCE_MODIFIERS = ParserErrorCode(
  'MULTIPLE_VARIANCE_MODIFIERS',
  "Each type parameter can have at most one variance modifier.",
  correction: "Use at most one of the 'in', 'out', or 'inout' modifiers.",
);

const ParserErrorCode _MULTIPLE_WITH_CLAUSES = ParserErrorCode(
  'MULTIPLE_WITH_CLAUSES',
  "Each class definition can have at most one with clause.",
  correction: "Try combining all of the with clauses into a single clause.",
);

const ParserErrorCode _NATIVE_CLAUSE_SHOULD_BE_ANNOTATION = ParserErrorCode(
  'NATIVE_CLAUSE_SHOULD_BE_ANNOTATION',
  "Native clause in this form is deprecated.",
  correction:
      "Try removing this native clause and adding @native() or @native('native-name') before the declaration.",
);

const ParserErrorCode _NULL_AWARE_CASCADE_OUT_OF_ORDER = ParserErrorCode(
  'NULL_AWARE_CASCADE_OUT_OF_ORDER',
  "The '?..' cascade operator must be first in the cascade sequence.",
  correction:
      "Try moving the '?..' operator to be the first cascade operator in the sequence.",
);

const ParserErrorCode _PREFIX_AFTER_COMBINATOR = ParserErrorCode(
  'PREFIX_AFTER_COMBINATOR',
  "The prefix ('as' clause) should come before any show/hide combinators.",
  correction: "Try moving the prefix before the combinators.",
);

const ParserErrorCode _REDIRECTING_CONSTRUCTOR_WITH_BODY = ParserErrorCode(
  'REDIRECTING_CONSTRUCTOR_WITH_BODY',
  "Redirecting constructors can't have a body.",
  correction:
      "Try removing the body, or not making this a redirecting constructor.",
);

const ParserErrorCode _REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR = ParserErrorCode(
  'REDIRECTION_IN_NON_FACTORY_CONSTRUCTOR',
  "Only factory constructor can specify '=' redirection.",
  correction:
      "Try making this a factory constructor, or remove the redirection.",
);

const ParserErrorCode _SETTER_CONSTRUCTOR = ParserErrorCode(
  'SETTER_CONSTRUCTOR',
  "Constructors can't be a setter.",
  correction: "Try removing 'set'.",
);

const ParserErrorCode _STACK_OVERFLOW = ParserErrorCode(
  'STACK_OVERFLOW',
  "The file has too many nested expressions or statements.",
  correction: "Try simplifying the code.",
);

const ParserErrorCode _STATIC_CONSTRUCTOR = ParserErrorCode(
  'STATIC_CONSTRUCTOR',
  "Constructors can't be static.",
  correction: "Try removing the keyword 'static'.",
);

const ParserErrorCode _STATIC_OPERATOR = ParserErrorCode(
  'STATIC_OPERATOR',
  "Operators can't be static.",
  correction: "Try removing the keyword 'static'.",
);

const ParserErrorCode _SWITCH_HAS_CASE_AFTER_DEFAULT_CASE = ParserErrorCode(
  'SWITCH_HAS_CASE_AFTER_DEFAULT_CASE',
  "The default case should be the last case in a switch statement.",
  correction: "Try moving the default case after the other case clauses.",
);

const ParserErrorCode _SWITCH_HAS_MULTIPLE_DEFAULT_CASES = ParserErrorCode(
  'SWITCH_HAS_MULTIPLE_DEFAULT_CASES',
  "The 'default' case can only be declared once.",
  correction: "Try removing all but one default case.",
);

const ParserErrorCode _TOP_LEVEL_OPERATOR = ParserErrorCode(
  'TOP_LEVEL_OPERATOR',
  "Operators must be declared within a class.",
  correction:
      "Try removing the operator, moving it to a class, or converting it to be a function.",
);

const ParserErrorCode _TYPEDEF_IN_CLASS = ParserErrorCode(
  'TYPEDEF_IN_CLASS',
  "Typedefs can't be declared inside classes.",
  correction: "Try moving the typedef to the top-level.",
);

const ParserErrorCode _TYPE_ARGUMENTS_ON_TYPE_VARIABLE = ParserErrorCode(
  'TYPE_ARGUMENTS_ON_TYPE_VARIABLE',
  "Can't use type arguments with type variable '{0}'.",
  correction: "Try removing the type arguments.",
);

const ParserErrorCode _TYPE_BEFORE_FACTORY = ParserErrorCode(
  'TYPE_BEFORE_FACTORY',
  "Factory constructors cannot have a return type.",
  correction: "Try removing the type appearing before 'factory'.",
);

const ParserErrorCode _TYPE_PARAMETER_ON_CONSTRUCTOR = ParserErrorCode(
  'TYPE_PARAMETER_ON_CONSTRUCTOR',
  "Constructors can't have type parameters.",
  correction: "Try removing the type parameters.",
);

const ParserErrorCode _VAR_AND_TYPE = ParserErrorCode(
  'VAR_AND_TYPE',
  "Variables can't be declared using both 'var' and a type name.",
  correction: "Try removing 'var.'",
);

const ParserErrorCode _VAR_AS_TYPE_NAME = ParserErrorCode(
  'VAR_AS_TYPE_NAME',
  "The keyword 'var' can't be used as a type name.",
);

const ParserErrorCode _VAR_RETURN_TYPE = ParserErrorCode(
  'VAR_RETURN_TYPE',
  "The return type can't be 'var'.",
  correction:
      "Try removing the keyword 'var', or replacing it with the name of the return type.",
);

const ParserErrorCode _VOID_WITH_TYPE_ARGUMENTS = ParserErrorCode(
  'VOID_WITH_TYPE_ARGUMENTS',
  "Type 'void' can't have type arguments.",
  correction: "Try removing the type arguments.",
);

const ParserErrorCode _WITH_BEFORE_EXTENDS = ParserErrorCode(
  'WITH_BEFORE_EXTENDS',
  "The extends clause must be before the with clause.",
  correction: "Try moving the extends clause before the with clause.",
);