*/
public ApnsService build() {
checkInitialization();
ApnsService service;
SSLSocketFactory sslFactory = sslContext.getSocketFactory();
ApnsFeedbackConnection feedback = new ApnsFeedbackConnection(sslFactory, feedbackHost, feedbackPort, proxy, readTimeout, connectTimeout, proxyUsername, proxyPassword);
ApnsConnection conn = new ApnsConnectionImpl(sslFactory, gatewayHost,
gatewayPort, proxy, proxyUsername, proxyPassword, reconnectPolicy,
delegate, errorDetection, errorDetectionThreadFactory, cacheLength,