public ConnectorsAndTasks.Builder addAll(ConnectorsAndTasks connectorsAndTasks) {
                return this
                        .addConnectors(connectorsAndTasks.connectors())
                        .addTasks(connectorsAndTasks.tasks());
            }
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