code: public ServiceFuture<Void> unregisterAsync(String resourceGroupName, String vaultName, String identityName, final ServiceCallback<Void> serviceCallback) {
          return ServiceFuture.fromResponse(unregisterWithServiceResponseAsync(resourceGroupName, vaultName, identityName), serviceCallback);
      }
docs: Unregisters the given container from your Recovery Services vault.
  
  @param resourceGroupName The name of the resource group associated with the Recovery Services vault.
  @param vaultName The name of the Recovery Services vault.
  @param identityName Name of the protection container to unregister.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object