fix bug in File Collection

src/file/Collection.php

@@ -128,31 +128,30 @@ public function getFileCollection($refresh = false)
                 'name' => $this->name
             ]);
         }
-
         return $this->_fileCollection;
     }
 
     /**
      * {@inheritdoc}
      */
-    public function drop()
+    public function drop($execOptions = [])
     {
-        return parent::drop() && $this->database->dropCollection($this->getChunkCollection()->name);
+        return parent::drop($execOptions) && $this->database->dropCollection($this->getChunkCollection()->name,$execOptions);
     }
 
     /**
      * {@inheritdoc}
      * @return Cursor cursor for the search results
      */
-    public function find($condition = [], $fields = [], $options = [])
+    public function find($condition = [], $fields = [], $options = [], $execOptions = [])
     {
-        return new Cursor($this, parent::find($condition, $fields, $options));
+        return new Cursor($this, parent::find($condition, $fields, $options, $execOptions));
     }
 
     /**
      * {@inheritdoc}
      */
-    public function remove($condition = [], $options = [])
+    public function remove($condition = [], $options = [], $execOptions = [])
     {
         $fileCollection = $this->getFileCollection();
         $chunkCollection = $this->getChunkCollection();
@@ -166,7 +165,7 @@ public function remove($condition = [], $options = [])
 
         $batchSize = 200;
         $options['batchSize'] = $batchSize;
-        $cursor = $fileCollection->find($condition, ['_id'], $options);
+        $cursor = $fileCollection->find($condition, ['_id'], $options, $execOptions);
         unset($options['limit']);
         $deleteCount = 0;
         $deleteCallback = function ($ids) use ($fileCollection, $chunkCollection, $options) {