the number of readable bytes . concode_field_sep int readableBytes concode_elem_sep Channel channel concode_elem_sep ArrayDeque<Object> bufAndListenerPairs concode_field_sep void add concode_elem_sep void add concode_elem_sep void add concode_elem_sep void copyTo concode_elem_sep void releaseAndFailAll concode_elem_sep ByteBuf compose concode_elem_sep boolean isEmpty concode_elem_sep void releaseAndCompleteAll concode_elem_sep ByteBuf remove
int function ( ) { return readableBytes ; }