fromJson static method
Creates a object from a json
Implementation
static Document fromJson(Map<String, dynamic> json) {
return Document(
fileId: json['file_id']!,
fileUniqueId: json['file_unique_id']!,
thumbnail: callIfNotNull(PhotoSize.fromJson, json['thumbnail']),
fileName: json['file_name'],
mimeType: json['mime_type'],
fileSize: json['file_size'],
);
}