func (pkt *SubAckPacket) Header() *FixedHeader {
	// MessageID + Topics*(granted QoS)
	length := 2 + len(pkt.Granted)
	pkt.header.Length = length
	return pkt.header
}
// Header returns the FixedHeader of this packet.
Header returns the FixedHeader of this packet.
// Header returns the FixedHeader of this packet .
func (pkt *SubAckPacket) Header() *FixedHeader {
	length := 2 + len(pkt.Granted)
	pkt.header.Length = length
	return pkt.header
}
func ( pkt * SubAckPacket ) Header ( ) * FixedHeader { length := 2 + len ( pkt . Granted ) pkt . header . Length = length return pkt . header }
Header returns the FixedHeader of this packet.
Header returns the FixedHeader of this packet .
// MessageID + Topics*(granted QoS)