import type { AbTestCookie } from '../types';
import type { CachedAbTest } from './types';
/**
 * Collect all active test IDs from a testsByPath map.
 */
export declare function getActiveTestIds(testsByPath: Record<string, CachedAbTest[]> | Map<string, CachedAbTest[]>): Set<string>;
/**
 * Remove cookie entries for tests no longer in the active config.
 *
 * @returns true if any keys were removed
 */
export declare function pruneStaleAssignments(cookie: AbTestCookie, activeTestIds: Set<string>): boolean;
//# sourceMappingURL=prune.d.ts.map