import type { ExportsTarget } from '../install/package.js';
export declare function getMapMatch<T = any>(specifier: string, map: Record<string, T>): string | undefined;
export declare function allDotKeys(exports: Record<string, any>): boolean;
/**
 * Expand a package exports field into its set of subpaths and resolution
 * With an optional file list for expanding globs
 */
export declare function expandExportsResolutions(exports: ExportsTarget | Record<string, ExportsTarget>, env: string[], files?: Set<string> | undefined, exportsResolutions?: Map<string, string>): void;
/**
 * Expand a package exports field into a list of entry points
 * With an optional file list for expanding globs
 */
export declare function expandExportsEntries(exports: ExportsTarget | Record<string, ExportsTarget>, env: string[], files?: Set<string> | undefined, entriesList?: Set<string>): void;