import type * as Types from '../types/types.js';
export declare function extractOriginFromTrace(firstNavigationURL: string): string | null;
export type EventsInThread<T extends Types.TraceEvents.TraceEventData> = Map<Types.TraceEvents.ThreadID, T[]>;
export declare function addEventToProcessThread<T extends Types.TraceEvents.TraceEventData>(event: T, eventsInProcessThread: Map<Types.TraceEvents.ProcessID, EventsInThread<T>>): void;
/**
 * Sorts all the events in place, in order, by their start time. If they have
 * the same start time, orders them by longest first.
 */
export declare function sortTraceEventsInPlace(events: Types.TraceEvents.TraceEventData[]): void;
export declare function getNavigationForTraceEvent(event: Types.TraceEvents.TraceEventData, eventFrameId: string, navigationsByFrameId: Map<string, Types.TraceEvents.TraceEventNavigationStart[]>): Types.TraceEvents.TraceEventNavigationStart | null;