Bug Fixes

• typings: make "engine" attribute public (b81ce4c)
• properly export the Socket class (d65b6ee)

Links:

• Diff: https://github.com/socketio/socket.io/compare/4.0.1...4.0.2
• Client release: 4.0.2
• engine.io version: ~5.0.0
• ws version: ~7.4.2