Bug Fixes

• export ServerOptions and Namespace types (#3684) (f62f180)
• typings: update the signature of the emit method (50671d9)

Links:

• Diff: https://github.com/socketio/socket.io/compare/3.0.0...3.0.1
• Client release: 3.0.1
• engine.io version: ~4.0.0
• ws version: ^7.1.2