41    * @param array $optParams Optional parameters.
63   public function copy($fileId, DriveFile $postBody, $optParams = [])  argument
66     $params = array_merge($params, $optParams);
73    * @param array $optParams Optional parameters.
97   public function create(DriveFile $postBody, $optParams = [])  argument
100     $params = array_merge($params, $optParams);
110    * @param array $optParams Optional parameters.
119   public function delete($fileId, $optParams = [])  argument
122     $params = array_merge($params, $optParams);
128    * @param array $optParams Optional parameters.
134   public function emptyTrash($optParams = [])  argument
137     $params = array_merge($params, $optParams);
148    * @param array $optParams Optional parameters.
150   public function export($fileId, $mimeType, $optParams = [])  argument
153     $params = array_merge($params, $optParams);
160    * @param array $optParams Optional parameters.
170   public function generateIds($optParams = [])  argument
173     $params = array_merge($params, $optParams);
180    * @param array $optParams Optional parameters.
192   public function get($fileId, $optParams = [])  argument
195     $params = array_merge($params, $optParams);
201    * @param array $optParams Optional parameters.
243   public function listFiles($optParams = [])  argument
246     $params = array_merge($params, $optParams);
257    * @param array $optParams Optional parameters.
279   public function update($fileId, DriveFile $postBody, $optParams = [])  argument
282     $params = array_merge($params, $optParams);
292    * @param array $optParams Optional parameters.
304   public function watch($fileId, Channel $postBody, $optParams = [])  argument
307     $params = array_merge($params, $optParams);