Classes/Cache/Rule/NoUserOrGroupSet.php
public function checkRule(TypoScriptFrontendController $frontendController, string $uri, array &$explanation, bool &$skipProcessing)
    {
        if ($this->isUserOrGroupSet($frontendController)) {
            $explanation[__CLASS__] = 'User or group are set';
        }
    }
public function checkRule(TypoScriptFrontendController $frontendController, string $uri, array &$explanation, bool &$skipProcessing)
    {
        if ($this->isUserOrGroupSet($frontendController)) {
            $explanation[__CLASS__] = 'User or group are set';
        }
    }
public function checkRule ( TypoScriptFrontendController $ frontendController , string $ uri , array & $ explanation , bool & $ skipProcessing ) { if ( $ this -> isUserOrGroupSet ( $ frontendController ) ) { $ explanation [ __CLASS__ ] = 'User or group are set' ; } }
Check if no user or group is set.

@param TypoScriptFrontendController $frontendController
@param string                       $uri
@param array                        $explanation
@param bool                         $skipProcessing
Check if no user or group is set .