code: public ServiceFuture<ProjectTaskInner> updateAsync(String groupName, String serviceName, String projectName, String taskName, ProjectTaskInner parameters, final ServiceCallback<ProjectTaskInner> serviceCallback) {
          return ServiceFuture.fromResponse(updateWithServiceResponseAsync(groupName, serviceName, projectName, taskName, parameters), serviceCallback);
      }
docs: Create or update task.
  The tasks resource is a nested, proxy-only resource representing work performed by a DMS instance. The PATCH method updates an existing task, but since tasks have no mutable custom properties, there is little reason to do so.
  
  @param groupName Name of the resource group
  @param serviceName Name of the service
  @param projectName Name of the project
  @param taskName Name of the Task
  @param parameters Information about the task
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object