Source/devtools/front_end/extensions/module.json

{
    "extensions": [
        {
            "type": "@WebInspector.ExtensionServerAPI",
            "className": "WebInspector.ExtensionServer"
        }
    ],
    "dependencies": ["sources"],
    "scripts": [
        "ExtensionAPI.js",
        "ExtensionRegistryStub.js",
        "ExtensionAuditCategory.js",
        "ExtensionServer.js",
        "ExtensionPanel.js",
        "ExtensionView.js"
    ]
}