Examine source code of Format Link

{
  "name": "Format Link",
  "version": "5.5.2",
  "manifest_version": 2,
  "description": "Format a link and copy it to the clipboard.",
  "icons": {
    "16": "icon16.png",
    "48": "icon48.png",
    "128": "icon128.png"
  },
  "background": {
    "scripts": [
      "common.js",
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_title": "Format Link",
    "default_popup": "popup.html",
    "browser_style": true
  },
  "options_ui": {
    "page": "options.html"
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Shift+Alt+C"
      },
      "description": "Copy a link in the default format"
    },
    "copy-link-in-format1": {
      "suggested_key": {
        "default": "Shift+Alt+1"
      },
      "description": "Copy a link in format 1"
    },
    "copy-link-in-format2": {
      "suggested_key": {
        "default": "Shift+Alt+2"
      },
      "description": "Copy a link in format 2"
    },
    "copy-link-in-format3": {
      "suggested_key": {
        "default": "Shift+Alt+3"
      },
      "description": "Copy a link in format 3"
    },
    "copy-link-in-format4": {
      "suggested_key": {
        "default": "Shift+Alt+4"
      },
      "description": "Copy a link in format 4"
    },
    "copy-link-in-format5": {
      "suggested_key": {
        "default": "Shift+Alt+5"
      },
      "description": "Copy a link in format 5"
    },
    "copy-link-in-format6": {
      "suggested_key": {
        "default": "Shift+Alt+6"
      },
      "description": "Copy a link in format 6"
    },
    "copy-link-in-format7": {
      "suggested_key": {
        "default": "Shift+Alt+7"
      },
      "description": "Copy a link in format 7"
    },
    "copy-link-in-format8": {
      "suggested_key": {
        "default": "Shift+Alt+8"
      },
      "description": "Copy a link in format 8"
    },
    "copy-link-in-format9": {
      "suggested_key": {
        "default": "Shift+Alt+9"
      },
      "description": "Copy a link in format 9"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "pocemhmkmchpgamlnocemnbhlcjcbjgg@chrome-store-foxified-2931337014",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "activeTab",
    "clipboardWrite",
    "contextMenus",
    "storage",
    "tabs"
  ]
}