write method
Implementation
@override
Future<PickedEntry> write(FilegateWriteOptions options) async {
if (options.path.isEmpty) {
throw ArgumentError.value(options.path, 'path', 'path must not be empty');
}
final entry = await methodChannel.invokeMapMethod<Object?, Object?>(
'write',
options.toMap(),
);
return PickedEntry.fromMap(_castMap(entry));
}