extension-develop/dist/webpack/plugin-extension/feature-manifest/manifest-overrides/mv3/action.d.ts

The develop step of Extension.js

import { type Manifest, type FilepathList } from '../../../../webpack-types';
export declare function action(manifest: Manifest, excludeList: FilepathList): {
    action: {
        default_icon?: string | chrome.runtime.ManifestIcons | undefined;
        default_popup?: string | undefined;
        default_title?: string | undefined;
    };
} | undefined;