Imports github.com/golang/protobuf/proto github.com/miekg/dns v2ray.com/core/common v2ray.com/core v2ray.com/core/common/net v2ray.com/core/common/errors v2ray.com/core/common/task v2ray.com/core/common/buf v2ray.com/core/common/dice v2ray.com/core/transport/internet/udp Standard library imports context fmt math net sync time