Replace IRespondToRequests with PSR-7 ResponseInterface

src/Capabilities/ICanHandleRequests.php

@@ -3,6 +3,7 @@
 namespace Friendica\Capabilities;
 
 use Friendica\Network\HTTPException;
+use Psr\Http\Message\ResponseInterface;
 
 /**
  * This interface provides the capability to handle requests from clients and returns the desired outcome
@@ -13,9 +14,9 @@ interface ICanHandleRequests
 	 * @param array $post    The $_POST content (in case of POST)
 	 * @param array $request The $_REQUEST content (in case of GET, POST)
 	 *
-	 * @return IRespondToRequests responding to the request handling
+	 * @return ResponseInterface responding to the request handling
 	 *
 	 * @throws HTTPException\InternalServerErrorException
 	 */
-	public function run(array $post = [], array $request = []): IRespondToRequests;
+	public function run(array $post = [], array $request = []): ResponseInterface;
 }