code: @Override
      public void part(String reason) {
          Message partMessage = new Message(MessageType.PART, this.channelName, reason);
          this.client.getConnection().send(partMessage);
          this.joined = new CountDownLatch(1);
      }
docs: /*
  (non-Javadoc)
  @see com.brewtab.irc.impl.IRCChannel#part(java.lang.String)