import * as fs from "fs";
export declare function isObject(value: unknown): value is Record<string, any>;
export declare function slash(p: string): string;
export declare const isWindows: boolean;
export declare function normalizePath(id: string): string;
export declare function tryStatSync(file: string): fs.Stats | undefined;
export declare function stripBomTag(content: string): string;
export declare function findNearestNodeModules(basedir: string): string | null;
export declare function fetchRemoteCacheSpecs(outDir: string): Promise<any>;
export declare const findRealPath: (configDir: string, pluginPath: string) => any;
export declare const loadPresetPluginPath: (presetPath: string, pluginPath: string) => any;
/**
 * 动态加载模块，支持 CommonJS 和 ESM 格式
 * 清除模块缓存以确保获取最新版本
 * @param modulePath 模块路径
 * @returns 加载的模块内容
 */
export declare const requireUncached: (modulePath: string) => Promise<any>;
export declare function clearPath(basePath: string): Promise<void>;
export declare function lookForFiles(dir: string, fileName: string): Promise<string>;
export declare function noOp(): void;
export declare function asyncNoOp(): Promise<void>;