Method start

api/src/main/java/io/grpc/LoadBalancer.java:1364–1366

Starts the Subchannel. Can only be called once. Must be called prior to any other method on this class, except for #shutdown which may be called at any time. Must be called from the Helper#getSynchronizationContext Synchronization Context, otherwise it may throw. See <a hre

(SubchannelStateListener listener)

     * @param listener receives state updates for this Subchannel.
     */
    public void start(SubchannelStateListener listener) {
      throw new UnsupportedOperationException("Not implemented");
    }

    /**
     * Shuts down the Subchannel.  After this method is called, this Subchannel should no longer