public static Task <HttpResponseMessage> DeleteAsync(this RequestBuilder requestBuilder)
 {
     return(requestBuilder.SendAsync(HttpMethods.Delete));
 }
 public static Task <HttpResponseMessage> PatchAsync(this RequestBuilder requestBuilder)
 {
     return(requestBuilder.SendAsync(HttpMethods.Patch));
 }
 public static Task <HttpResponseMessage> PutAsync(this RequestBuilder builder)
 {
     return(builder.SendAsync(HttpMethods.Put));
 }