invoked when channel #close was called . concode_field_sep PlaceHolder placeHolder concode_field_sep void handleDownstream concode_elem_sep void unbindRequested concode_elem_sep void connectRequested concode_elem_sep void disconnectRequested concode_elem_sep void writeRequested concode_elem_sep void bindRequested concode_elem_sep void setInterestOpsRequested
void function ( ChannelHandlerContext arg0 , ChannelStateEvent arg1 ) { arg0 . sendDownstream ( arg1 ) ; }