Examine source code of Google Translate Engine

{
  "name": "Google Translate",
  "description": "Google Translate",
  "manifest_version": 2,
  "version": "1.3",
  "applications": {
    "gecko": {
      "id": "google-translate@aminomancer"
    }
  },
  "icons": {
    "16": "favicon.svg",
    "48": "favicon.svg",
    "128": "favicon.svg"
  },
  "web_accessible_resources": [
    "favicon.svg"
  ],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "Google Translate",
      "search_url": "https://translate.google.com",
      "search_form": "https://translate.google.com/?source=osdd&sl=auto&tl=auto&text={searchTerms}&op=translate",
      "search_url_get_params": "source=osdd&sl=auto&tl=auto&text={searchTerms}&op=translate",
      "suggest_url": "https://www.google.com/complete/search?client=firefox&output=firefox&q={searchTerms}",
      "suggest_url_get_params": "client=firefox&q={searchTerms}"
    }
  }
}