return empty
}

// OrDefault returns *t if its non-nil, or else def.
func OrDefault[T any](t *T, def T) T {
	if t != nil {
		return *t
	}
	return def
}

// NonEmptyOrDefault returns t if its non-empty, or else def.
func NonEmptyOrDefault[T comparable](t T, def T) T {
	var empty T
	if t != empty {
		return t
	}
	return def
}

// Empty returns an empty T type
func Empty[T any]() T {
	var empty T

	if ph != nil && orig != nil {
		ph.ForwardedClientCert = ptr.NonEmptyOrDefault(ph.ForwardedClientCert, orig.ForwardedClientCert)
		ph.RequestId = ptr.NonEmptyOrDefault(ph.RequestId, orig.RequestId)
		ph.AttemptCount = ptr.NonEmptyOrDefault(ph.AttemptCount, orig.AttemptCount)
		ph.Server = ptr.NonEmptyOrDefault(ph.Server, orig.Server)
		ph.EnvoyDebugHeaders = ptr.NonEmptyOrDefault(ph.EnvoyDebugHeaders, orig.EnvoyDebugHeaders)
	}
}