Check if value has then function when setting result to check external promise types

src/Appwrite/GraphQL/Schema.php

@@ -69,7 +69,7 @@ class Schema
      * @return array
      * @throws \Exception
      */
-    public static function api(App $utopia): array
+    protected static function api(App $utopia): array
     {
         Mapper::init($utopia
             ->getResource('response')
@@ -123,7 +123,7 @@ class Schema
      * @return array
      * @throws \Exception
      */
-    public static function collections(
+    protected static function collections(
         App $utopia,
         Database $dbForProject
     ): array {

src/Appwrite/Promises/Promise.php

@@ -132,7 +132,7 @@ abstract class Promise
      */
     protected function setResult(mixed $value): void
     {
-        if (!$value instanceof self) {
+        if (!\is_callable([$value, 'then'])) {
             $this->result = $value;
             return;
         }