original_string: public function getContainer()
      {
          if (is_null(self::$container)) {
              self::$container = $this->checkContainer();
          }
          return self::$container;
      }
code: public function getContainer()
      {
          if (is_null(self::$container)) {
              self::$container = $this->checkContainer();
          }
          return self::$container;
      }
code_tokens: public function getContainer ( ) { if ( is_null ( self :: $ container ) ) { self :: $ container = $ this -> checkContainer ( ) ; } return self :: $ container ; }
docstring: Gets the application dependency injection container
  
  @return ContainerInterface|Container
docstring_tokens: Gets the application dependency injection container