import type { ArkmeRecordSearchResult, ArkmeSearchRecordItem } from '../types.js';
export declare const articleIdentity: (item: ArkmeSearchRecordItem) => string;
export declare const articleSourceMatches: (item: ArkmeSearchRecordItem, sourceKey?: string) => boolean;
/** Retain the user's loaded window. Revalidation replaces one page, never the window. */
export declare class LongArticlePages {
    private pages;
    constructor(initial?: ArkmeRecordSearchResult);
    put(cursor: string | undefined, result: ArkmeRecordSearchResult): void;
    cursors(sourceKey?: string): (string | undefined)[];
    mapItems(change: (items: ArkmeSearchRecordItem[]) => ArkmeSearchRecordItem[]): void;
    snapshot(created?: ArkmeSearchRecordItem): ArkmeRecordSearchResult | undefined;
}
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