import MiniSearch from "minisearch";
import type { EndpointOutput } from "astro";
import { SearchDocument, SearchIndexOptions } from "./types.js";
/**
 * Represents all possible acceptable inputs for the search documents functions.
 * This includes an array or nested array of search documents,
 * as well as a promise or array of promises that resolve to an array of search documents.
 */
export type SearchDocumentsInput = SearchDocument[] | SearchDocument[][] | Promise<SearchDocument[]> | Promise<SearchDocument[]>[];
/**
 * Unravels all possible search inputs and resolve them to a simple array of search documents.
 * Also removes documents with duplicate or missing URLs and outputs a warning.
 */
export declare function getDocuments(input: SearchDocumentsInput): Promise<SearchDocument[]>;
/**
 * Generate the MiniSearch object from a list of prepared search documents.
 *
 * @param documentsInput search documents or promises from other functions
 * @param options search index options
 * @returns a populated MiniSearch object
 */
export declare function generateIndex(documentsInput: SearchDocumentsInput, options?: SearchIndexOptions): Promise<MiniSearch>;
/** Load a MiniSearch object from a string or JSON object. */
export declare function loadIndex(json: string | any, options?: SearchIndexOptions): MiniSearch<SearchDocument>;
/**
 * Helper function to both generate an index and output a static endpoint.
 * @see [Astro docs on static endpoints]()
*/
export declare function getSearchIndex(documentsInput: SearchDocumentsInput, options?: SearchIndexOptions): Promise<EndpointOutput>;