public ConnectorsAndTasks.Builder addTasks(Collection<ConnectorTaskId> tasks) {
                this.withTasks.addAll(tasks);
                return this;
            }
Get the version of the connect protocol that is currently active in the group of workers.

@return the current connect protocol version
connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/WorkerCoordinator.java