import { Model } from '@topwrite/common';
export type AskHandler = (keyword: string, part?: string) => Promise<ReadableStreamDefaultReader> | ReadableStreamDefaultReader;
interface AskState {
    enable: boolean;
    handler?: AskHandler;
    status: 'idle' | 'loading' | 'stalled' | 'error';
    query: string;
    part?: string;
    answer: string;
}
declare class Ask extends Model<AskState> {
    initialState: AskState;
    fetch(query: string): AsyncGenerator<import("redux").AnyAction, void, any>;
    setPart(part?: string): Generator<import("redux").AnyAction, void, unknown>;
    setHandler(handler?: AskHandler): Generator<import("redux").AnyAction, void, unknown>;
}
export declare const ask: Ask;
export {};