@CustomType.Setter
        public Builder namespace(String namespace) {
            if (namespace == null) {
              throw new MissingRequiredPropertyException("ServiceReference", "namespace");
            }
            this.namespace = namespace;
            return this;
        }
@return If specified, the port on the service that hosting webhook. Default to 443 for backward compatibility. `port` should be a valid port number (1-65535, inclusive).
sdk/java/src/main/java/com/pulumi/kubernetes/auditregistration/v1alpha1/outputs/ServiceReference.java