headBucket method

Future<Map<String?, String?>> headBucket(
  1. String arg_serviceKey,
  2. String arg_bucket,
  3. String? arg_region
)

Implementation

Future<Map<String?, String?>> headBucket(String arg_serviceKey, String arg_bucket, String? arg_region) async {
  final BasicMessageChannel<Object?> channel = BasicMessageChannel<Object?>(
      'dev.flutter.pigeon.CosServiceApi.headBucket', codec,
      binaryMessenger: _binaryMessenger);
  final List<Object?>? replyList =
      await channel.send(<Object?>[arg_serviceKey, arg_bucket, arg_region]) as List<Object?>?;
  if (replyList == null) {
    throw PlatformException(
      code: 'channel-error',
      message: 'Unable to establish connection on channel.',
    );
  } else if (replyList.length > 1) {
    throw PlatformException(
      code: replyList[0]! as String,
      message: replyList[1] as String?,
      details: replyList[2],
    );
  } else if (replyList[0] == null) {
    throw PlatformException(
      code: 'null-error',
      message: 'Host platform returned null value for non-null return value.',
    );
  } else {
    return (replyList[0] as Map<Object?, Object?>?)!.cast<String?, String?>();
  }
}