untagResource method
This operation removes one or more tags from a resource.
Parameter resourceArn :
An Amazon Resource Name (ARN) that uniquely identifies an AWS resource.
Parameter tagKeys :
The key tags.
Implementation
Future<void> untagResource({
  required String resourceArn,
  required List<String> tagKeys,
}) async {
  ArgumentError.checkNotNull(resourceArn, 'resourceArn');
  ArgumentError.checkNotNull(tagKeys, 'tagKeys');
  final $query = <String, List<String>>{
    'tagKeys': tagKeys,
  };
  await _protocol.send(
    payload: null,
    method: 'DELETE',
    requestUri: '/tags/${Uri.encodeComponent(resourceArn)}',
    queryParams: $query,
    exceptionFnMap: _exceptionFns,
  );
}