TextTracks.fromJson constructor
Implementation
TextTracks.fromJson(Map<String, dynamic> json) {
if (json["lang"] is String) lang = json["lang"];
if (json["url"] is String) url = json["url"];
if (json["kind"] is String) kind = json["kind"];
if (json["id"] is int) id = json["id"];
if (json["label"] is String) label = json["label"];
}