import { Result } from '@hazae41/result';
import { Core } from '../core/core.js';
import { FetchError } from '../types/fetcher.js';
import { QuerySettings, ScrollFetcherfulQuerySettings } from '../types/settings.js';
import { State } from '../types/state.js';

declare namespace Scroll {
    function getCacheKey<K, D, F>(key: K, settings: QuerySettings<K, D, F>): string;
    /**
     * Fetch first page and compare it to the previous first page
     * @param core
     * @param scroller
     * @param cacheKey
     * @param fetcher
     * @param aborter
     * @param settings
     * @returns
     */
    function first<K, D, F>(core: Core, cacheKey: string, aborter: AbortController, settings: ScrollFetcherfulQuerySettings<K, D, F>): Promise<Result<State<D[], F>, FetchError>>;
    /**
     * Scroll to the next page
     * @param core
     * @param scroller
     * @param cacheKey
     * @param fetcher
     * @param aborter
     * @param settings
     * @returns
     */
    function scroll<K, D, F>(core: Core, cacheKey: string, aborter: AbortController, settings: ScrollFetcherfulQuerySettings<K, D, F>): Promise<Result<State<D[], F>, FetchError>>;
}

export { Scroll };