return true;
                }
            }
            $exception = new ErrorException($message, $level, $level, $file, $line);
            if ($this->canThrowExceptions) {
                throw $exception;
            } else {
                $this->handleException($exception);
            }
            return true;
        }
        return false;
    }
    public function handleShutdown()
    {
        $this->canThrowExceptions = false;
        $error = $this->system->getLastError();
        if ($error && Misc::isLevelFatal($error['type'])) {
            $this->allowQuit = false;
            $this->handleError($error['type'], $error['message'], $error['file'], $error['line']);
        }
    }
    public function setInspectorFactory(InspectorFactoryInterface $factory)
    {
        $this->inspectorFactory = $factory;
    }
    public function addFrameFilter($filterCallback)
    {
        if (!is_callable($filterCallback)) {
            throw new \InvalidArgumentException(sprintf("A frame filter must be of type callable, %s type given.", gettype($filterCallback)));
        }
        $this->frameFilters[] = $filterCallback;
        return $this;
    }
    private function getInspector($exception)
    {
        return $this->inspectorFactory->create($exception);
    }
    private function resolveHandler($handler)
    {

<?php
 
namespace Grav\Common\Errors;
 
class SystemFacade extends \Whoops\Util\SystemFacade
{
    protected $whoopsShutdownHandler;
    public function registerShutdownFunction(callable $function)
    {
        $this->whoopsShutdownHandler = $function;
        register_shutdown_function([$this, 'handleShutdown']);
    }
    public function handleShutdown()
    {
        $error = $this->getLastError();
        if ($error && !($error['type'] & (E_CORE_WARNING | E_CORE_ERROR))) {
            $handler = $this->whoopsShutdownHandler;
            $handler();
        }
    }
    public function setHttpResponseCode($httpCode)
    {
        if (!headers_sent()) {
            header_remove('location');
            header_remove('Content-Encoding');
        }
        return http_response_code($httpCode);
    }
}