/**
 * Get current timestramp as `string`
 */
export declare const currNow: () => string;
/**
 * Generate bundle file name from rules
 * 1. if `serveMode`, always return `bundle
 * 2. else if `enableBundleHashName` always return `bundle[contenthash].{css,js}`
 * 3. otherwise return `bundle.{css,js}?${currNow}`
 * @param type `js` | `css`
 * @param serveMode If we are run `serve` mode
 * @param enableBundleHashName If we need to generate bundle file name with `[contenthash]`
 */
export declare const getBundleFileName: (type: "css" | "js", serveMode: boolean, enableBundleHashName?: boolean) => string;