@Override
    public void handleMessage(Message msg) {
        if (resender != null && msg.hasBucketSequence()) {
            deliverError(msg, ErrorCode.SEQUENCE_ERROR, "Bucket sequences not supported when resender is enabled.");
            return;
        }
        SendProxy proxy = new SendProxy(this, net.net(), resender);
        msn.deliverMessage(msg, proxy);
    }
<p>This method handles choking input data so that message bus does not
blindly accept everything. This prevents an application running
out-of-memory in case it fail to choke input data itself. If this method
returns false, it means that it should be rejected.</p>

@param msg The message to count.
@return True if the message was accepted.
messagebus/src/main/java/com/yahoo/messagebus/MessageBus.java