diff --git a/src/Domain/AbstractRepository.php b/src/Domain/AbstractRepository.php
index ed802ac..0055005 100644
--- a/src/Domain/AbstractRepository.php
+++ b/src/Domain/AbstractRepository.php
@@ -11,7 +11,8 @@
  * @phpstan-template T of StorableEntity
  * @template T of StorableEntity
  * @implements EntityRepository<T>
- * @phpstan-type ResultArray array<int, array{item: T, dirty: bool}>
+ * //phpstan-type ResultArray<T> array<int, array{item: T, dirty: bool}>
+ * ^ this is not currently possible in phpstan and can not be imported: https://github.com/phpstan/phpstan/issues/6099
  */
 abstract class AbstractRepository extends Singleton implements
     EntityRepository,
@@ -20,7 +21,7 @@ abstract class AbstractRepository extends Singleton implements
     /** @var string */
     public static $metaKey;
 
-    /** @var ResultArray */
+    /** @var array<int, array{item: T, dirty: bool}> */
     protected $entities = [];
 
     /** @var class-string<T> FQCN of an entity class implementing StorableEntity */
@@ -125,7 +126,7 @@ public function refresh(): EntityRepository
      * Retrieve all posts fetched by getPosts() directly from the database and
      * instantiate them into StorableEntities using entityFromPostId().
      *
-     * @return ResultArray
+     * @return array<int, array{item: T, dirty: bool}>
      */
     protected static function getAllFromDB(): array
     {
@@ -214,7 +215,7 @@ abstract protected static function getPosts(): array;
     /**
      * @param array<WP_Post> $posts
      *
-     * @return ResultArray
+     * @return array<int, array{item: T, dirty: bool}>
      */
     protected static function mapPostsToEntities(array $posts): array
     {