import type { MetadataResponse } from '../../sdk';
export declare const SOURCE_METADATA_QUERY_KEY = "sourceMetadata";
/**
 * Fetches the full source metadata (tables + columns) for a given source.
 *
 * NOTE: This request can be very heavy for large databases — it enumerates
 * every table and column in the source schema. It's currently used only to
 * display a "columns" count on the dashboard; if that chip is ever removed
 * or replaced, this hook can likely be removed too.
 */
export declare const useSourceMetadataQuery: (sourceName: string | undefined) => import("@tanstack/react-query").UseQueryResult<MetadataResponse, unknown>;