public class JChannel implements Closeable {

    // Initialization accepts configuration options
    public JChannel ();
    public JChannel (String url);
    public JChannel (InputStream stream);

    // Join a group with a given name
    public void connect (String cluster);
    public String clusterName ();
    public void disconnect ();

    // View is the current list of members
    public View getView ();

    // Send a message to all or one group member.
    public void send (Message msg);
    public void send (Address dst, Object obj);
    public void send (Address dst, byte [] buf);
    public void send (Address dst, byte [] buf, int offset, int length);

    // Asynchronous notification about messages and membership is available
    public void setReceiver (Receiver r);
    public Receiver getReceiver ();

    ...
}