import type { GetTopicsOptions } from "./GetTopicsOptions";
/**
 * set WASM initialisation function to fetching a URL of the .wasm file
 */
export declare const initWithFetch: (url?: string) => () => Promise<void>;
/**
 * set WASM initialisation function to ArrayBuffer binary (slower than fetching URL)
 */
export declare const initWithBinary: (binary: ArrayBuffer) => () => Promise<void>;
/**
 * set the initialisation function. Defaults to fetch URL.
 */
export declare const setInitFunction: (initFunc: any) => void;
/**
 * initialise WASM by fetching a URL of the .wasm file
 */
export declare function initialiseWasm(url: string): any;
/**
 * initialise WASM with an ArrayBuffer binary (slower than fetching URL)
 */
export declare function initialiseWasm(binary: ArrayBuffer): any;
/**
 * Return type of getTopics. Contains keys `{ docs, topics }` which are each arrays.
 * `docs` is an array of the documents (with the same indexes as the input documents).
 * `topics` is an array of the generated topics, and their indexes match the topic references in documents.
 */
export interface GetTopicsReturnType {
    docs: Record<string, {
        topic: number;
        rank: number;
    }>[];
    topics: Record<string, {
        word: number;
        rank: number;
    }>[];
}
/**
 * Get the topics in a set of documents (strings).
 * @param docs - an array of strings, where each string is a "document".
 * @param opts - options for the topic extraction
 */
export declare const getTopics: (docs: string[], opts?: Partial<GetTopicsOptions>) => GetTopicsReturnType;
/**
 * Returns true if getTopics() is ready to be called. This depends on the WebAssembly module being instantiated first.
 */
export declare const isGetTopicsReady: () => boolean;
export type { GetTopicsOptions };