Application::initializeSessions

private function initializeSessions()
{
	$resolver = new SessionConfigurationResolver(Configuration::getInstance());
	$resolver->resolve();

	$this->session = $resolver->getSession();
	$this->kernelSession = $resolver->getKernelSession();

	$this->compositeSessionManager = new CompositeSessionManager(
		$this->kernelSession,
		$this->session
	);
}