Add the WP_Http methods.

Author: johnbillion

additionalParams.php

@@ -11,4 +11,8 @@
     'wp_safe_remote_head' => [$httpReturnType],
     'wp_safe_remote_post' => [$httpReturnType],
     'wp_safe_remote_request' => [$httpReturnType],
+    'WP_Http::get' => [$httpReturnType],
+    'WP_Http::head' => [$httpReturnType],
+    'WP_Http::post' => [$httpReturnType],
+    'WP_Http::request' => [$httpReturnType],
 ];

wordpress-stubs.php

@@ -40697,6 +40697,7 @@ class WP_Http
          *   filename?: string,
          *   limit_response_size?: int,
          * } $args
+         * @phpstan-return array{headers:Requests_Utility_CaseInsensitiveDictionary,body:string,response:array{code:int,message:string},cookies:array<int,WP_HTTP_Cookie>,filename:string|null,http_response:WP_HTTP_Requests_Response}|WP_Error
          */
         public function request($url, $args = array())
         {
@@ -40785,6 +40786,7 @@ private function _dispatch_request($url, $args)
          * @param string|array $args Optional. Override the defaults.
          * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'.
          *                        A WP_Error instance upon error.
+         * @phpstan-return array{headers:Requests_Utility_CaseInsensitiveDictionary,body:string,response:array{code:int,message:string},cookies:array<int,WP_HTTP_Cookie>,filename:string|null,http_response:WP_HTTP_Requests_Response}|WP_Error
          */
         public function post($url, $args = array())
         {
@@ -40800,6 +40802,7 @@ public function post($url, $args = array())
          * @param string|array $args Optional. Override the defaults.
          * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'.
          *                        A WP_Error instance upon error.
+         * @phpstan-return array{headers:Requests_Utility_CaseInsensitiveDictionary,body:string,response:array{code:int,message:string},cookies:array<int,WP_HTTP_Cookie>,filename:string|null,http_response:WP_HTTP_Requests_Response}|WP_Error
          */
         public function get($url, $args = array())
         {
@@ -40815,6 +40818,7 @@ public function get($url, $args = array())
          * @param string|array $args Optional. Override the defaults.
          * @return array|WP_Error Array containing 'headers', 'body', 'response', 'cookies', 'filename'.
          *                        A WP_Error instance upon error.
+         * @phpstan-return array{headers:Requests_Utility_CaseInsensitiveDictionary,body:string,response:array{code:int,message:string},cookies:array<int,WP_HTTP_Cookie>,filename:string|null,http_response:WP_HTTP_Requests_Response}|WP_Error
          */
         public function head($url, $args = array())
         {