Dart APIunself_modelZipJsonPartZipJsonPart.fromJson factory constructor ZipJsonPart.fromJson constructor Null safety ZipJsonPart.fromJson(Map<String, dynamic> json ) Implementation factory ZipJsonPart.fromJson(Map<String, dynamic> json) = _$ZipJsonPart.fromJson; unself_model unself_model ZipJsonPart ZipJsonPart.fromJson factory constructor ZipJsonPart class Constructors ZipJsonPart fromJson Properties copyWith extra hashCode id part runtimeType schema Methods map mapOrNull maybeMap maybeWhen noSuchMethod read toJson toString when whenOrNull Operators operator ==