import type { ITtscProjectMembershipPolicy } from "./tsconfigPaths";
/**
 * Match configured root files or a directory that can contain one.
 *
 * This is discovery, not dependency membership: imports outside these specs
 * remain compiler inputs and are proven by the external-input snapshot.
 * TypeScript's include grammar has only *, ?, ** and implicit directory globs.
 * Unknown policies stay permissive; no filesystem existence probe is needed, so
 * a newly created directory receives the same answer as an existing one.
 */
export declare function matchesProjectRootFile(location: string, policy: ITtscProjectMembershipPolicy, directory: boolean): boolean;