add chain

pkg/components/dialer/dialer.go

@@ -0,0 +1,19 @@
+package dialer
+
+import (
+	"context"
+	"net"
+)
+
+// Transporter is responsible for dialing to the proxy server.
+type Dialer interface {
+	Dial(ctx context.Context, addr string, opts ...DialOption) (net.Conn, error)
+}
+
+type Handshaker interface {
+	Handshake(ctx context.Context, conn net.Conn) (net.Conn, error)
+}
+
+type Multiplexer interface {
+	IsMultiplex() bool
+}