extension-develop/dist/webpack/plugin-reload/reload-types.d.ts

The develop step of Extension.js

import { type DevOptions } from '../../develop-lib/config-types';
export interface PluginInterface extends PluginOptions {
    manifestPath: string;
}
export interface PluginOptions {
    browser?: DevOptions['browser'];
    port?: string | number;
    stats?: boolean;
    autoReload?: boolean;
    instanceId?: string;
    source?: string;
    watchSource?: boolean;
    startingUrl?: string;
}