code: public ChannelHandler[] getServerChannelHandlers() {
  		PartitionRequestQueue queueOfPartitionQueues = new PartitionRequestQueue();
  		PartitionRequestServerHandler serverHandler = new PartitionRequestServerHandler(
  			partitionProvider, taskEventPublisher, queueOfPartitionQueues, creditBasedEnabled);
  
  		return new ChannelHandler[] {
  			messageEncoder,
  			new NettyMessage.NettyMessageDecoder(!creditBasedEnabled),
  			serverHandler,
  			queueOfPartitionQueues
  		};
  	}
docs: Returns the server channel handlers.
  
  <pre>
  +-------------------------------------------------------------------+
  |                        SERVER CHANNEL PIPELINE                    |
  |                                                                   |
  |    +----------+----------+ (3) write  +----------------------+    |
  |    | Queue of queues     +----------->| Message encoder      |    |
  |    +----------+----------+            +-----------+----------+    |
  |              /|\                                 \|/              |
  |               | (2) enqueue                       |               |
  |    +----------+----------+                        |               |
  |    | Request handler     |                        |               |
  |    +----------+----------+                        |               |
  |              /|\                                  |               |
  |               |                                   |               |
  |   +-----------+-----------+                       |               |
  |   | Message+Frame decoder |                       |               |
  |   +-----------+-----------+                       |               |
  |              /|\                                  |               |
  +---------------+-----------------------------------+---------------+
  |               | (1) client request               \|/
  +---------------+-----------------------------------+---------------+
  |               |                                   |               |
  |       [ Socket.read() ]                    [ Socket.write() ]     |
  |                                                                   |
  |  Netty Internal I/O Threads (Transport Implementation)            |
  +-------------------------------------------------------------------+
  </pre>
  
  @return channel handlers