isImpersonatedUser example

return $request->getUriForPath($this->buildExitPath($targetUri));
    }

    private function isImpersonatedUser(): bool
    {
        return $this->tokenStorage->getToken() instanceof SwitchUserToken;
    }

    private function buildExitPath(string $targetUri = null): string
    {
        if (null === ($request = $this->requestStack->getCurrentRequest()) || !$this->isImpersonatedUser()) {
            return '';
        }

        if (null === $switchUserConfig = $this->firewallMap->getFirewallConfig($request)->getSwitchUser()) {
            throw new \LogicException('Unable to generate the impersonate exit URL without a firewall configured for the user switch.');
        }

        $targetUri ??= $request->getRequestUri();

        $targetUri .= (parse_url($targetUri, \PHP_URL_QUERY) ? '&' : '?').http_build_query([$switchUserConfig['parameter'] => SwitchUserListener::EXIT_VALUE], '', '&');