49         ack_delay: u64,
322             Frame::ACK { ack_delay, ranges } => {  in to_bytes()
331                 b.put_varint(*ack_delay)?;  in to_bytes()
536             Frame::ACK { ack_delay, ranges } => {  in wire_len()
544                     octets::varint_len(*ack_delay) + // ack_delay  in wire_len()
728             Frame::ACK { ack_delay, ranges } => {  in to_qlog()
732                     Some(ack_delay.to_string()),  in to_qlog()
883             Frame::ACK { ack_delay, ranges } => {  in fmt()
884                 write!(f, "ACK delay={} blocks={:?}", ack_delay, ranges)?;  in fmt()
1016     let ack_delay = b.get_varint()?;  in parse_ack_frame()  localVariable
1051     Ok(Frame::ACK { ack_delay, ranges })  in parse_ack_frame()
1167             ack_delay: 874_656_534,  in ack()