Examine source code of NeXDM - Download Manager Integration

{
  "manifest_version" : 3 ,
  "name" : "NeXDM - Download Manager Integration",
  "version" : "1.1.4",
  "description" : "64-Segment Download Integration for NeXDM. High-performance, secure, and optimized browser bridge.",
  "icons" : {
    "16" : "icons/16.png",
    "32" : "icons/32.png",
    "48" : "icons/48.png",
    "64" : "icons/64.png",
    "96" : "icons/96.png",
    "128" : "icons/128.png"
  },
  "action" : {
    "default_icon" : {
      "16" : "icons/16.png",
      "32" : "icons/32.png",
      "48" : "icons/48.png",
      "64" : "icons/64.png",
      "96" : "icons/96.png",
      "128" : "icons/128.png"
    },
    "default_title" : "NeXDM - Download Manager Integration"
  },
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "content_scripts" : [
    {
      "matches" : [
        "<all_urls>" 
      ],
      "js" : [
        "content.js" 
      ],
      "run_at" : "document_idle" ,
      "all_frames" : true 
    }
  ],
  "permissions" : [
    "nativeMessaging" ,
    "contextMenus" ,
    "downloads" ,
    "alarms" ,
    "storage" ,
    "scripting" ,
    "activeTab" 
  ],
  "host_permissions" : [
    "*://*/*" 
  ],
  "web_accessible_resources" : [
    {
      "resources" : [
        "icons/16.png" ,
        "icons/32.png" ,
        "icons/48.png" ,
        "icons/64.png" ,
        "icons/96.png" ,
        "icons/128.png" ,
        "style.css" 
      ],
      "matches" : [
        "<all_urls>" 
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "extension@nexdm.in",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}