code: public ServiceFuture<PrivateZoneInner> createOrUpdateAsync(String resourceGroupName, String privateZoneName, PrivateZoneInner parameters, String ifMatch, String ifNoneMatch, final ServiceCallback<PrivateZoneInner> serviceCallback) {
          return ServiceFuture.fromResponse(createOrUpdateWithServiceResponseAsync(resourceGroupName, privateZoneName, parameters, ifMatch, ifNoneMatch), serviceCallback);
      }
docs: Creates or updates a Private DNS zone. Does not modify Links to virtual networks or DNS records within the zone.
  
  @param resourceGroupName The name of the resource group.
  @param privateZoneName The name of the Private DNS zone (without a terminating dot).
  @param parameters Parameters supplied to the CreateOrUpdate operation.
  @param ifMatch The ETag of the Private DNS zone. Omit this value to always overwrite the current zone. Specify the last-seen ETag value to prevent accidentally overwriting any concurrent changes.
  @param ifNoneMatch Set to '*' to allow a new Private DNS zone to be created, but to prevent updating an existing zone. Other values will be ignored.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object