Imports tailscale.com/types/dnstype tailscale.com/types/key tailscale.com/types/opt tailscale.com/types/ptr tailscale.com/types/structs tailscale.com/types/tkatype tailscale.com/types/views tailscale.com/util/cmpx tailscale.com/util/dnsname Standard library imports bytes encoding/json errors fmt maps net/netip reflect sort strings time