docs: public Observable<ServiceResponse<BackupLongTermRetentionVaultInner>> createOrUpdateWithServiceResponseAsync(String resourceGroupName, String serverName, String recoveryServicesVaultResourceId) {
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (serverName == null) {
              throw new IllegalArgumentException("Parameter serverName is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          if (recoveryServicesVaultResourceId == null) {
              throw new IllegalArgumentException("Parameter recoveryServicesVaultResourceId is required and cannot be null.");
          }
          final String backupLongTermRetentionVaultName = "RegisteredVault";
          BackupLongTermRetentionVaultInner parameters = new BackupLongTermRetentionVaultInner();
          parameters.withRecoveryServicesVaultResourceId(recoveryServicesVaultResourceId);
          Observable<Response<ResponseBody>> observable = service.createOrUpdate(this.client.subscriptionId(), resourceGroupName, serverName, backupLongTermRetentionVaultName, this.client.apiVersion(), this.client.acceptLanguage(), parameters, this.client.userAgent());
          return client.getAzureClient().getPutOrPatchResultAsync(observable, new TypeToken<BackupLongTermRetentionVaultInner>() { }.getType());
      }