post function
Implementation
Future<http.Response> post(Uri url,
{Map<String, String>? headers, Object? body, Encoding? encoding}) =>
_innerSTClient.post(url, headers: headers, body: body, encoding: encoding);
Future<http.Response> post(Uri url,
{Map<String, String>? headers, Object? body, Encoding? encoding}) =>
_innerSTClient.post(url, headers: headers, body: body, encoding: encoding);