Examine source code of Screenshot with URL - Full Page Screenshot

{
  "manifest_version": 3,
  "name": "Screenshot with URL - Full Page Screenshot",
  "description": "Capture full page, visible & selected area screenshots with URL bar & hidden Bookmarks, record screen with inbuilt editor.",
  "version": "1.7.2",
  "browser_specific_settings": {
    "gecko": {
      "id": "screenshot-with-url@selectorshub.com",
      "strict_min_version": "128.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ],
        "optional": [
          "authenticationInfo",
          "personallyIdentifyingInfo"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "tabs",
    "downloads",
    "storage",
    "unlimitedStorage",
    "scripting",
    "clipboardWrite",
    "contextMenus"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "action": {
    "default_icon": {
      "16": "icons/icon16.png",
      "32": "icons/icon32.png",
      "48": "icons/icon48.png",
      "128": "icons/icon128.png"
    }
  },
  "icons": {
    "16": "icons/icon16.png",
    "32": "icons/icon32.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "swu-compat.js",
      "fsa-helper.js",
      "background.js"
    ]
  },
  "commands": {
    "capture-full-page": {
      "description": "Capture full page screenshot"
    },
    "capture-visible-area": {
      "description": "Capture visible area screenshot"
    },
    "capture-selected-area": {
      "description": "Capture selected area screenshot"
    }
  },
  "content_scripts": [
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "console_collector.js"
      ],
      "run_at": "document_start",
      "all_frames": false,
      "world": "MAIN"
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "select_tracker.js"
      ],
      "run_at": "document_idle",
      "all_frames": false
    },
    {
      "matches": [
        "http://*/*",
        "https://*/*"
      ],
      "js": [
        "image_picker.js"
      ],
      "run_at": "document_start",
      "all_frames": true,
      "match_about_blank": true
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/icon128.png"
      ],
      "matches": [
        "http://*/*",
        "https://*/*"
      ]
    }
  ]
}