Imports github.com/golang/protobuf/proto v2ray.com/core/common v2ray.com/core/common/bitmask v2ray.com/core/common/errors v2ray.com/core/common/net v2ray.com/core/transport/internet v2ray.com/core/common/serial v2ray.com/core/common/uuid v2ray.com/core/common/dice Standard library imports context fmt math runtime sync time hash crypto/hmac crypto/md5