Examine source code of Ezy Screenshot & Custom Web Search

{
  "name": "Ezy Screenshot & Custom Web Search",
  "short_name": "Ezy Screenshot",
  "description": "Add this extension to Snap and Share screenshots and screencasts in seconds & change your default search engine to Yahoo® Search",
  "version": "1.0.0.4",
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "Ezy_Screenshot___Custom_Web_Search_nKZANPHKLR@ezyscreenshot.com"
    }
  },
  "background": {
    "scripts": [
      "distJs/constants.js",
      "distJs/helper.js",
      "background.js",
      "storageReplacer.js"
    ]
  },
  "icons": {
    "256": "icons/icon.png"
  },
  "content_scripts": [
    {
      "run_at": "document_end",
      "matches": [
        "*://*/*"
      ],
      "css": [
        "index.css"
      ],
      "js": [
        "jquery-3.4.1.js",
        "contentscript.js"
      ]
    }
  ],
  "minimum_chrome_version": "92",
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "128": "icons/icon128.png"
    },
    "default_popup": "uiDesign/recording/index.html",
    "default_title": "Ezy Screenshot & Custom Web Search"
  },
  "permissions": [
    "<all_urls>",
    "tabs",
    "clipboardWrite",
    "storage"
  ],
  "chrome_settings_overrides": {
    "search_provider": {
      "name": "web search by Yahoo",
      "keyword": "Ezy Screenshot",
      "favicon_url": "icons/icon128.png",
      "search_url": "https://search.yahoo.com/yhs/search?p={searchTerms}&grd=1",
      "suggest_url": "https://search.yahoo.com/sugg/ie?output=fxjson&command={searchTerms}&nResults=10",
      "is_default": true
    }
  }
}