def setBufferSize(self, bufferSize):
        self._bufferSize = bufferSize
Deals with a client ACK packet.
dataset/ETHPy150Open rwl/muntjac/muntjac/terminal/file_resource.py/FileResource.setBufferSize--crossover with--dataset/ETHPy150Open facebook/fbtftp/fbtftp/base_handler.py/BaseHandler._handle_ack