import { N as Nullable, A as Arrayable } from './index-z0R8hVRu.js';
import './trace-mapping.d-DLVdEqOp.js';

declare const isWindows: boolean;
declare function slash(str: string): string;
declare const VALID_ID_PREFIX = "/@id/";
declare function normalizeRequestId(id: string, base?: string): string;
declare function cleanUrl(url: string): string;
declare function isInternalRequest(id: string): boolean;
declare function normalizeModuleId(id: string): string;
declare function isPrimitive(v: any): boolean;
declare function toFilePath(id: string, root: string): {
    path: string;
    exists: boolean;
};
declare function isNodeBuiltin(id: string): boolean;
/**
 * Convert `Arrayable<T>` to `Array<T>`
 *
 * @category Array
 */
declare function toArray<T>(array?: Nullable<Arrayable<T>>): Array<T>;
declare function getCachedData<T>(cache: Map<string, T>, basedir: string, originalBasedir: string): NonNullable<T> | undefined;
declare function setCacheData<T>(cache: Map<string, T>, data: T, basedir: string, originalBasedir: string): void;
declare function withTrailingSlash(path: string): string;
declare function createImportMetaEnvProxy(): NodeJS.ProcessEnv;
declare function findNearestPackageData(basedir: string): Promise<{
    type?: 'module' | 'commonjs';
}>;

export { VALID_ID_PREFIX, cleanUrl, createImportMetaEnvProxy, findNearestPackageData, getCachedData, isInternalRequest, isNodeBuiltin, isPrimitive, isWindows, normalizeModuleId, normalizeRequestId, setCacheData, slash, toArray, toFilePath, withTrailingSlash };
