import type { MultiRspackOptions, RspackOptions } from '@rspack/core';
import type { CommonOptions } from './options';
export declare function compile(sourcecode: string, filename: string): string;
export type LoadedRspackConfig = undefined | RspackOptions | MultiRspackOptions | ((env: Record<string, any>, argv?: Record<string, any>) => RspackOptions | MultiRspackOptions);
/**
 * Loads and merges configurations from the 'extends' property
 * @param config The configuration object that may contain an 'extends' property
 * @param configPath The path to the configuration file
 * @param cwd The current working directory
 * @param options CLI options
 * @returns The merged configuration
 */
export declare function loadExtendedConfig(config: RspackOptions, configPath: string, cwd: string, options: CommonOptions): Promise<{
    config: RspackOptions;
    pathMap: WeakMap<RspackOptions, string[]>;
}>;
export declare function loadExtendedConfig(config: MultiRspackOptions, configPath: string, cwd: string, options: CommonOptions): Promise<{
    config: MultiRspackOptions;
    pathMap: WeakMap<RspackOptions, string[]>;
}>;
export declare function loadExtendedConfig(config: RspackOptions | MultiRspackOptions, configPath: string, cwd: string, options: CommonOptions): Promise<{
    config: RspackOptions | MultiRspackOptions;
    pathMap: WeakMap<RspackOptions, string[]>;
}>;
export declare function loadRspackConfig(options: CommonOptions, cwd?: string): Promise<{
    loadedConfig: LoadedRspackConfig;
    configPath: string;
} | null>;