import type { XHRInstrumentationOptions } from './types';
export declare const parseXHRHeaders: (context: XMLHttpRequest) => Record<string, any>;
export declare const parseXHREvent: (context: XMLHttpRequest, event: ProgressEvent<EventTarget>) => Record<string, any>;
export declare function shouldPropagateRumHeaders(url: string, propagateRumHeaderCorsUrls?: XHRInstrumentationOptions['propagateRumHeaderCorsUrls']): boolean;