Imports github.com/golang/protobuf/proto v2ray.com/core/transport/pipe v2ray.com/core/common/signal/done v2ray.com/core/common/net google.golang.org/grpc v2ray.com/core v2ray.com/core/common v2ray.com/core/common/errors v2ray.com/core/common/serial Standard library imports context fmt math net sync