/**
  * Add a contextual binding to the container.
  *
  * @param string $concrete
  * @param string $abstract
  * @param \Closure|string $implementation
  * @static 
  */
 public static function addContextualBinding($concrete, $abstract, $implementation)
 {
     //Method inherited from \Illuminate\Container\Container
     return \Laravel\Lumen\Application::addContextualBinding($concrete, $abstract, $implementation);
 }