Bug Fixes

• typings: calling io.emit with no arguments incorrectly errored (cb6d2e0), closes #4914

Links

• Diff: https://github.com/socketio/socket.io/compare/4.7.3...4.7.4
• Client release: 4.7.4
• engine.io@~6.5.2 (no change)
• ws@~8.11.0 (no change)