Examine source code of Validen Connect PJe

{
  "manifest_version": 2,
  "name": "Validen Connect PJe",
  "version": "0.2.3",
  "description": "Integra o Firefox local ao acesso PJe central do Validen Connect sem instalar o certificado A1 no computador.",
  "permissions": [
    "storage",
    "http://127.0.0.1:17891/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://sso.cloud.pje.jus.br/*",
        "https://pje.trt15.jus.br/*"
      ],
      "js": [
        "content.js"
      ],
      "run_at": "document_idle",
      "all_frames": true
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "validen-connect-pje@validensign.com",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "authenticationInfo"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}