import { OperatorFunction } from "rxjs";
import { NostrEvent } from "../helpers/event.js";
/**
 * Accumulate events into an ordered timeline
 * @note If a string is passed in, it will be ignored and the timeline will not be modified
 * @note This does not remove duplicate events
 */
export declare function mapEventsToTimeline<T extends NostrEvent | string>(): OperatorFunction<T, NostrEvent[]>;