import type { UseDataSourceOptions, UseDataSourceResult } from "../types.js";
/**
 * Reads from the data source mapped to the given semantic `key`.
 *
 * @param key - The semantic data-source key the block is wired to (e.g. `"people"`).
 * @param options - Optional live snapshot options. `limit` defaults to 20 and
 *   is capped at 999.
 *
 * @example
 * const { items, isLoading, hasMore, error } = useDataSource("default", { limit: 25 })
 */
export declare function useDataSource(key: string, options?: UseDataSourceOptions): UseDataSourceResult;
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