import type { HistoricalRequest } from './types';
/**
 * Merge Historical Requests
 *
 * Appends a historical request while maintaing the following variants:
 * 1. all historical requests are disjoint, i.e. there are not two historical requests which overlap
 * 2. A new historical request added will always be present unaltered
 */
export declare const mergeHistoricalRequests: (existingHistory: HistoricalRequest[], newRequest: HistoricalRequest) => HistoricalRequest[];
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