Creates a sender used to send messages to the given address. The address must be set. For anonymous sender, check
{@link #createAnonymousSender(Handler)}.
@param address The target address to attach to, must not be {@code null}
@param completionHandler The handler called with the sender, once opened
@return the connection.
@see #createAnonymousSender(Handler)
Creates a sender used to send messages to the given address. The address must be set. For anonymous sender, check {@link #createAnonymousSender(Handler)}.
@param address The target address to attach to, must not be {@code null} @param completionHandler The handler called with the sender, once opened @return the connection. @see #createAnonymousSender(Handler)