docs: public ServiceFuture<ServiceEndpointPolicyDefinitionInner> getAsync(String resourceGroupName, String serviceEndpointPolicyName, String serviceEndpointPolicyDefinitionName, final ServiceCallback<ServiceEndpointPolicyDefinitionInner> serviceCallback) {
          return ServiceFuture.fromResponse(getWithServiceResponseAsync(resourceGroupName, serviceEndpointPolicyName, serviceEndpointPolicyDefinitionName), serviceCallback);
      }