121     pub(crate) fn pack(&self, mut msg: Vec<u8>) -> Vec<u8> {  in pack()
122         msg = pack_uint16(msg, self.id);  in pack()
123         msg = pack_uint16(msg, self.bits);  in pack()
124         msg = pack_uint16(msg, self.questions);  in pack()
125         msg = pack_uint16(msg, self.answers);  in pack()
126         msg = pack_uint16(msg, self.authorities);  in pack()
127         msg = pack_uint16(msg, self.additionals);  in pack()
128         msg  in pack()
131     pub(crate) fn unpack(&mut self, msg: &[u8], off: usize) -> Result<usize> {  in unpack()
132         let (id, off) = unpack_uint16(msg, off)?;  in unpack()
135         let (bits, off) = unpack_uint16(msg, off)?;  in unpack()
138         let (questions, off) = unpack_uint16(msg, off)?;  in unpack()
141         let (answers, off) = unpack_uint16(msg, off)?;  in unpack()
144         let (authorities, off) = unpack_uint16(msg, off)?;  in unpack()
147         let (additionals, off) = unpack_uint16(msg, off)?;  in unpack()