Examine source code of Tab Search

{
  "manifest_version": 3,
  "name": "Tab Search",
  "version": "0.7.0",
  "description": "Search tabs and hide non-matching ones.",
  "permissions": [
    "tabs",
    "tabHide",
    "storage",
    "find"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "fuse.basic.min.js",
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/search16.png",
      "24": "images/search24.png",
      "32": "images/search32.png",
      "64": "images/search64.png",
      "128": "images/search128.png"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "TabSearch@irvinm.addons.mozilla.org",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "commands": {
    "_execute_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+F"
      },
      "description": "Open Tab Search Options"
    }
  }
}