public function authenticate()
	{
		// Backwards compatibility for Contao 4.4
		if (!$this instanceof UserInterface) {
			if ($this->frontendHelperUserAuthenticated === null) {
				$this->frontendHelperUserAuthenticated = \User::authenticate();
			}
			return $this->frontendHelperUserAuthenticated;
		}

		return $this->username && $this->intId;
	}