Fixed wrong docblocks and missing return type.

Author: BluePsyduck

src/Response/Generic/GenericDetailsResponse.php

@@ -19,13 +19,13 @@ class GenericDetailsResponse extends AbstractResponse
 {
     /**
      * The entity details.
-     * @var array|GenericEntity
+     * @var array|GenericEntity[]
      */
     protected $entities;
 
     /**
      * Returns the entity details.
-     * @return array|GenericEntity
+     * @return array|GenericEntity[]
      * @throws ApiClientException
      */
     public function getEntities(): array

src/Response/Generic/GenericIconResponse.php

@@ -19,16 +19,16 @@ class GenericIconResponse extends AbstractResponse
 {
     /**
      * The icons of the entities.
-     * @var array|Icon
+     * @var array|Icon[]
      */
     protected $icons;
 
     /**
      * Returns the icons of the entities.
-     * @return array|Icon
+     * @return array|Icon[]
      * @throws ApiClientException
      */
-    public function getIcons()
+    public function getIcons(): array
     {
         $this->checkPendingResponse();
         return $this->icons;