google.golang.org/grpc/internal/channelz.int64Slice.Swap (method, view implemented interface methods)

one use

	google.golang.org/grpc/internal/channelz (current package)
		funcs.go#L534: func (s int64Slice) Swap(i, j int)      { s[i], s[j] = s[j], s[i] }