//go:build !(linux || windows) || no_gvisor package route import ( "os" E "github.com/sagernet/sing/common/exceptions" ) func NewNetworkUpdateMonitor(errorHandler E.Handler) (NetworkUpdateMonitor, error) { return nil, os.ErrInvalid } func NewDefaultInterfaceMonitor(networkMonitor NetworkUpdateMonitor, callback DefaultInterfaceUpdateCallback) (DefaultInterfaceMonitor, error) { return nil, os.ErrInvalid }