public function destroySession(SsoClient $ssoClient, $sessionId) {
		$serviceUri = new Uri($this->serviceBaseUri . '/session/' . urlencode($sessionId) . '/destroy');
		$serviceUri->setQuery(http_build_query(array('clientIdentifier' => $ssoClient->getServiceBaseUri())));
		$request = \TYPO3\Flow\Http\Request::create($serviceUri, 'DELETE');
		$request->setContent('');

		$signedRequest = $this->requestSigner->signRequest($request, $ssoClient->getPublicKeyFingerprint(), $ssoClient->getPublicKeyFingerprint());

		// TODO Send request asynchronously
		$response = $this->requestEngine->sendRequest($signedRequest);
		if ($response->getStatusCode() !== 200 && $response->getStatusCode() !== 404) {
			throw new Exception('Unexpected status code for destroy session when calling "' . (string)$serviceUri . '": "' . $response->getStatus() . '"', 1354132939);
		}
	}