anchor.diff:  // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
   // for details. All rights reserved. Use of this source code is governed by a
   // BSD-style license that can be found in the LICENSE file.
  -// @dart=2.9
   library date_symbols;
   
   // Suppress naming lints, as changes would be breaking.
  
positive.code:   List<int> WEEKENDRANGE;
    int FIRSTWEEKCUTOFFDAY;
  
    String ZERODIGIT;
  
    DateSymbols(
        {this.NAME,
        this.ERAS,
        this.ERANAMES,
        this.NARROWMONTHS,
        this.STANDALONENARROWMONTHS,
        this.MONTHS,
        this.STANDALONEMONTHS,
        this.SHORTMONTHS,
        this.STANDALONESHORTMONTHS,
        this.WEEKDAYS,
        this.STANDALONEWEEKDAYS,
        this.SHORTWEEKDAYS,
        this.STANDALONESHORTWEEKDAYS,
        this.NARROWWEEKDAYS,
        this.STANDALONENARROWWEEKDAYS,
        this.SHORTQUARTERS,
        this.QUARTERS,
        this.AMPMS,
        this.ZERODIGIT,
        // TODO(alanknight): These formats are taken from Closure,
        // where there's only a fixed set of available formats.
        // Here we have the patterns separately. These should
        // either be used, or removed.
        this.DATEFORMATS,
        this.TIMEFORMATS,
        this.AVAILABLEFORMATS,
        this.FIRSTDAYOFWEEK,
        this.WEEKENDRANGE,
        this.FIRSTWEEKCUTOFFDAY,
        this.DATETIMEFORMATS});
  
    // TODO(alanknight): Replace this with use of a more general serialization
    // facility once one is available. Issue 4926.
    DateSymbols.deserializeFromMap(Map<dynamic, dynamic> map) {
      List<String> _getStringList(String name) => List<String>.from(map[name]);
      NAME = map['NAME'];
      ERAS = _getStringList('ERAS');
      ERANAMES = _getStringList('ERANAMES');
      NARROWMONTHS = _getStringList('NARROWMONTHS');
      STANDALONENARROWMONTHS = _getStringList('STANDALONENARROWMONTHS');
      MONTHS = _getStringList('MONTHS');
      STANDALONEMONTHS = _getStringList('STANDALONEMONTHS');
      SHORTMONTHS = _getStringList('SHORTMONTHS');
      STANDALONESHORTMONTHS = _getStringList('STANDALONESHORTMONTHS');
      WEEKDAYS = _getStringList('WEEKDAYS');
      STANDALONEWEEKDAYS = _getStringList('STANDALONEWEEKDAYS');
      SHORTWEEKDAYS = _getStringList('SHORTWEEKDAYS');
      STANDALONESHORTWEEKDAYS = _getStringList('STANDALONESHORTWEEKDAYS');
      NARROWWEEKDAYS = _getStringList('NARROWWEEKDAYS');
      STANDALONENARROWWEEKDAYS = _getStringList('STANDALONENARROWWEEKDAYS');
      SHORTQUARTERS = _getStringList('SHORTQUARTERS');
      QUARTERS = _getStringList('QUARTERS');
      AMPMS = _getStringList('AMPMS');
      ZERODIGIT = map['ZERODIGIT'];
      DATEFORMATS = _getStringList('DATEFORMATS');
      TIMEFORMATS = _getStringList('TIMEFORMATS');
      AVAILABLEFORMATS = Map<String, String>.from(map['AVAILABLEFORMATS'] ?? {});
      FIRSTDAYOFWEEK = map['FIRSTDAYOFWEEK'];
      WEEKENDRANGE = List<int>.from(map['WEEKENDRANGE']);
      FIRSTWEEKCUTOFFDAY = map['FIRSTWEEKCUTOFFDAY'];
      DATETIMEFORMATS = _getStringList('DATETIMEFORMATS');
    }
  
    Map<String, dynamic> serializeToMap() {
  
negative.code: 
        /// The ways date and time formats can be combined for this locale.
        DATETIMEFORMATS;
    Map<String, String>? AVAILABLEFORMATS;
  
    /// The first day of the week, in ISO 8601 style, where the first day of the
    /// week, i.e. index 0, is Monday.
  