import type { Benchmark, BenchmarkFn, NormalizedSuiteOptions, Result, SuiteOptions } from './types.d.cts';
/**
 * create a benchmark object based on the name, group, and fn passed
 * @param name the name of the benchmark
 * @param benchmarkGroup either the benchmark function, or the group the benchmark lives in
 * @param benchmarkFn the benchmark function (only when a group is specified)
 */
export declare const createBenchmark: <N extends string>(
  name: N,
  benchmarkGroup: string | BenchmarkFn,
  benchmarkFn?: BenchmarkFn,
) => Benchmark<N>;
/**
 * get the options passed merged with the defaults
 * @param passedOptions the options passed to merge
 * @returns the merged options
 */
export declare const getOptions: (passedOptions?: SuiteOptions) => NormalizedSuiteOptions;
/**
 * return the current timestamp in fraction of milliseconds (as accurate as possible)
 * @returns the current timestamp
 */
export declare const now: () => number;
/**
 * sort the results by operations per second (descending)
 * @param results the results to sort
 * @returns the sorted results
 */
export declare const sortResults: (results: Result[]) => Result[];
/**
 * wait the period of time passed (defaulting to 0)
 * @param delay the time to wait before resolving
 * @returns the promise that is resolved after the delay
 */
export declare const wait: (delay?: number) => Promise<void>;