if (reference.getCallback() != null && reference.getCallback().getBindings().size() > 0) { callbackService.getBindings().addAll(reference.getCallback().getBindings()); } else if (reference.getBindings().size() > 0) {
if (reference.getCallback() != null && reference.getCallback().getBindings().size() > 0) { callbackService.getBindings().addAll(reference.getCallback().getBindings()); } else if (reference.getBindings().size() > 0) {
if (reference.getCallback() != null) { Callback callback = reference.getCallback(); writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback));
if (reference.getCallback() != null) { Callback callback = reference.getCallback(); writeStart(writer, CALLBACK, policyProcessor.writePolicies(callback));