public function setDefaultController(string $value): RouteCollectionInterface
	{
		$this->defaultController = filter_var($value, FILTER_SANITIZE_STRING);

		return $this;
	}
public function setDefaultController(string $value): RouteCollectionInterface
	{
		$this->defaultController = filter_var($value, FILTER_SANITIZE_STRING);

		return $this;
	}
public function setDefaultController ( string $ value ) : RouteCollectionInterface { $ this -> defaultController = filter_var ( $ value , FILTER_SANITIZE_STRING ) ; return $ this ; }
Sets the default controller to use when no other controller has been
specified.

@param $value

@return \CodeIgniter\Router\RouteCollectionInterface
Sets the default controller to use when no other controller has been specified .