import { Q as QueryKey } from './create-query-B9ILJCq6.js';
export { C as CacheApiAdaptor, c as createQuery } from './create-query-B9ILJCq6.js';

/**
 * Best-effort deduplication manager for query execution.
 *
 * Uses a short-lived "processing" marker in Cache API to signal
 * that a query is already being fetched. This is not atomic
 * (CF Cache API has no CAS operations) but dramatically reduces
 * redundant work in practice.
 */
declare class DedupeManager {
    private cache;
    constructor(cacheName?: string);
    /**
     * Check if someone is already processing this key.
     * Best-effort: small race window exists between check and mark.
     */
    isProcessing(key: QueryKey): Promise<boolean>;
    markProcessing(key: QueryKey): Promise<void>;
    clearProcessing(key: QueryKey): Promise<void>;
    private buildMarkerKey;
}

declare const invalidateQuery: ({ queryKey, cacheName, }: {
    queryKey: QueryKey;
    cacheName?: string;
}) => Promise<void>;

export { DedupeManager, invalidateQuery };