Firebase Function Emulator Unsupported function type on functionName., Expected either httpsTrigger or eventTrigger

I juste update node 14 to 16.

But now i have a Warning in my firebase emulator suite logs for cloud_functions

Unsupported function type on functionName., Expected either httpsTrigger or eventTrigger

there is the dependancies for the nodejs's functions package.json

 "engines": {
    "node": "16"
  },
  "main": "lib/index.js",
  "dependencies": {
    "@types/geopoint": "^1.0.1",
    "algoliasearch": "^4.12.0",
    "firebase-admin": "^10.0.2",
    "firebase-functions": "^3.18.0",
    "firebase-tools": "^10.3.1",
    "ts-geopoint": "^1.0.4"
  },
  "devDependencies": {
    "@typescript-eslint/eslint-plugin": "^5.12.0",
    "@typescript-eslint/parser": "^5.12.0",
    "eslint": "^8.9.0",
    "eslint-config-google": "^0.14.0",
    "eslint-plugin-import": "^2.25.4",
    "firebase-functions-test": "^0.2.0",
    "typescript": "^4.5.4"
  },
  "private": true

Do you know the problem ?

Thanks for help