docs: public ServiceFuture<BackupLongTermRetentionVaultInner> beginCreateOrUpdateAsync(String resourceGroupName, String serverName, String recoveryServicesVaultResourceId, final ServiceCallback<BackupLongTermRetentionVaultInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginCreateOrUpdateWithServiceResponseAsync(resourceGroupName, serverName, recoveryServicesVaultResourceId), serviceCallback);
      }