docs: public ServiceFuture<List<DatabasePrincipalInner>> listPrincipalsAsync(String resourceGroupName, String clusterName, String databaseName, final ServiceCallback<List<DatabasePrincipalInner>> serviceCallback) {
          return ServiceFuture.fromResponse(listPrincipalsWithServiceResponseAsync(resourceGroupName, clusterName, databaseName), serviceCallback);
      }