public CloudFoundryClient(
     CloudCredentials credentials,
     URL cloudControllerUrl,
     HttpProxyConfiguration httpProxyConfiguration,
     CloudSpace sessionSpace) {
   Assert.notNull(cloudControllerUrl, "URL for cloud controller cannot be null");
   CloudControllerClientFactory cloudControllerClientFactory =
       new CloudControllerClientFactory(httpProxyConfiguration);
   this.cc =
       cloudControllerClientFactory.newCloudController(
           cloudControllerUrl, credentials, sessionSpace);
 }