code: public ServiceFuture<StreamingEndpointInner> beginUpdateAsync(String resourceGroupName, String accountName, String streamingEndpointName, StreamingEndpointInner parameters, final ServiceCallback<StreamingEndpointInner> serviceCallback) {
          return ServiceFuture.fromResponse(beginUpdateWithServiceResponseAsync(resourceGroupName, accountName, streamingEndpointName, parameters), serviceCallback);
      }
docs: Update StreamingEndpoint.
  Updates a existing StreamingEndpoint.
  
  @param resourceGroupName The name of the resource group within the Azure subscription.
  @param accountName The Media Services account name.
  @param streamingEndpointName The name of the StreamingEndpoint.
  @param parameters StreamingEndpoint properties needed for creation.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object