storagePath() public method

Get the storage path for the application.
public storagePath ( string | null $path = null ) : string
$path string | null
return string
 /**
  * Maintenance file path.
  *
  * @return string
  */
 public function maintenanceFilePath()
 {
     return $this->app->storagePath($this->maintenanceFile);
 }
 /**
  * Get the storage path for the application.
  *
  * @param string $path
  * @return string 
  * @static 
  */
 public static function storagePath($path = null)
 {
     return \Laravel\Lumen\Application::storagePath($path);
 }