public String ackTaskReceived(String taskId, String workerId) {
        LOGGER.debug("Ack received for task: {} from worker: {}", taskId, workerId);
        return String.valueOf(ackTaskReceived(taskId));
    }
Ack Task is received.

@param taskId id of the task
@param workerId id of the worker
@return `true|false` if task is received or not
core/src/main/java/com/netflix/conductor/service/TaskServiceImpl.java