toJson method
Returns a JSON presentation of the object.
Implementation
@override
Map<String, Object> toJson() {
var result = <String, Object>{};
result['id'] = id;
var file = this.file;
if (file != null) {
result['file'] = file;
}
var uri = this.uri;
if (uri != null) {
result['uri'] = uri;
}
return result;
}