interface FetchParams {
    url: string;
    operation?: string;
    log?: boolean;
}
export declare type TimeStampMetrics = {
    t0: number;
    t1: number;
};
interface FetchResponse extends TimeStampMetrics {
    res?: string;
}
declare const fetchWithTimestamps: ({ url, operation, log, }: FetchParams) => Promise<FetchResponse>;
export { fetchWithTimestamps };