head method
Implementation
Future<dynamic> head(String path, {String? baseUrl, String? contenttype, Map<String, dynamic>? query, Options? options}) async {
if (options == null) options = Options();
options.contentType = contenttype ?? defaultContentType;
var resRest = await dio.head(composeUrl(path, query: query, baseUrl: baseUrl), options: _buildOptions(options));
return resRest.data;
}