import type { RuleSetRule } from '@rspack/core';
import { type EntryMapItem } from '../../types/types-entry-map.js';
import { type FlatEvolveOptions } from '../../types/types-options.js';
/**
 * Preparing configurations for `less-loader`
 * @param serveMode The value indicates if we are in `built` or `serve` mode.
 * @param pluginLoaderOptions `builtin` loaders
 * @example
 * ```ts
 * `~` makes the url an module
 * webpack: {
 *   externals: {
 *     antd: 'antd',
 *     dayjs: 'dayjs',
 *   },
 *   resolve: {
 *     alias: {
 *       '@': resolve(projectCwd, './src'),
 *     },
 *   },
 * },
 * `@import '~@/theme/default.less';` at `src/theme/default.less`
 *
 * ```
 */
export declare const rspackRuleLess: (serveMode: boolean, entryMapItem: EntryMapItem, evolveOptions: FlatEvolveOptions) => RuleSetRule;