anchor.diff:    _CommandEntry(
       this.name,
       this.run, {
  -    this.env,
       this.id,
       this.ifCondition,
       this.workingDirectory,
  
positive.code: class _CommandEntry {
    final String name;
    final String run;
    final Map<String, String>? env;
    final String? id;
    final String? ifCondition;
    final String? workingDirectory;
  
negative.code:   Map<String, dynamic> get runContent => {
          if (id != null) 'id': id,
          'name': name,
          if (ifCondition != null) 'if': ifCondition,
          if (workingDirectory != null) 'working-directory': workingDirectory,
          'run': run,
  