Examine source code of TheTab - OneTab Alternative

{
  "author": "support@thetabextension.com",
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "default_locale": "en",
  "version": "3.14.1.0",
  "version_name": "3.14.1",
  "manifest_version": 3,
  "action": {},
  "omnibox": {
    "keyword": "tt"
  },
  "background": {
    "scripts": [
      "service-worker-loader.js"
    ],
    "type": "module"
  },
  "options_page": "src/ui/options-page/index.html",
  "offline_enabled": true,
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs",
    "tabGroups",
    "activeTab",
    "contextMenus",
    "alarms",
    "notifications",
    "clipboardWrite"
  ],
  "optional_permissions": [
    "bookmarks"
  ],
  "commands": {
    "save-tabs": {
      "suggested_key": {
        "default": "Ctrl+Shift+1",
        "windows": "Ctrl+Shift+1",
        "mac": "Command+Shift+1",
        "linux": "Ctrl+Shift+1"
      },
      "description": "__MSG_saveTabsCommand__"
    },
    "open-side-panel": {
      "suggested_key": {
        "default": "Ctrl+Shift+2",
        "windows": "Ctrl+Shift+2",
        "mac": "Command+Shift+2",
        "linux": "Ctrl+Shift+2"
      },
      "description": "__MSG_openSidePanelCommand__"
    },
    "copy-selected-tabs": {
      "description": "__MSG_copySelectedTabsCommand__"
    }
  },
  "icons": {
    "16": "src/assets/icon-16.png",
    "24": "src/assets/icon-24.png",
    "32": "src/assets/icon-32.png",
    "128": "src/assets/icon-128.png"
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; img-src 'self' https://www.google.com https://*.googleusercontent.com data:; object-src 'self'; connect-src 'self' https://www.google-analytics.com;"
  },
  "sidebar_action": {
    "default_title": "TheTab",
    "default_panel": "src/ui/side-panel/index.html",
    "default_icon": {
      "16": "src/assets/icon-16.png",
      "32": "src/assets/icon-32.png"
    },
    "open_at_install": false
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "thetab@thetabextension.com",
      "strict_min_version": "139.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "technicalAndInteraction"
        ]
      }
    }
  }
}