chromium/chrome/test/data/extensions/api_test/tts_engine/lacros_tts_support/tts_stop_lacros_engine/manifest.json

{
  "name": "chrome.ttsEngine",
  "version": "0.1",
  "manifest_version": 2,
  "description": "browser test for chrome.ttsEngine API",
  "background": {
    "page": "test.html"
  },
  "tts_engine": {
    "voices": [{
      "voice_name": "Alice",
      "lang": "en-US",
      "gender": "female",
      "event_types": ["start", "end"]
    }]
  },
  "permissions": ["tts", "ttsEngine"]
}