import type { QueryKey, QueryOptions } from "./types.js";
/**
 * Serializes a query key to a string for consistent lookups.
 * Handles object key order normalization.
 */
export declare function serializeQueryKey(queryKey: QueryKey): string;
/**
 * Checks if a query key matches another (supports partial matching).
 * For partial matching, the target key should be a prefix of the query key.
 */
export declare function matchesQueryKey(queryKey: QueryKey, targetKey: QueryKey): boolean;
/**
 * Gets default query options with all required fields filled in.
 */
export declare function getDefaultQueryOptions<TData, TError>(options: QueryOptions<TData, TError>, defaultOptions?: Partial<Omit<QueryOptions<TData, TError>, "queryKey" | "queryFn">>): Required<QueryOptions<TData, TError>>;
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