ChatVideoMessageBody.fromJson constructor 
    
      
      ChatVideoMessageBody.fromJson({ - required Map map, 
})Implementation
  ChatVideoMessageBody.fromJson({required Map map})
    : super.fromJson(map: map, type: MessageType.VIDEO) {
  this.duration = map["duration"];
  this.thumbnailLocalPath = map["thumbnailLocalPath"];
  this.thumbnailRemotePath = map["thumbnailRemotePath"];
  this.thumbnailSecret = map["thumbnailSecret"];
  this.height = (map["height"] ?? 0).toDouble();
  this.width = (map["width"] ?? 0).toDouble();
  this.thumbnailStatus =
      ChatFileMessageBody.downloadStatusFromInt(map["thumbnailStatus"]);
}