head<T>  abstract method 
Sends a HEAD request to the specified path.
Implementation
Future<Result<T>> head<T>(
  String path, {
  data, // Optional data to send with the request
  Map<String, dynamic>? queryParameters, // Optional query parameters
  FutureOr<T> Function(dynamic data)? onSuccess, // Callback on success
  FutureOr<T> Function(dynamic data)? onError, // Callback on error
  RestApiClientRequestOptions? options, // Request options
});