import { BenchmarkProperties } from './BenchmarkProperties';
import { Test } from './Test';
import { Stats } from './Stats/Stats';
/**
 * The main class.
 * A Benchmark consists of a group of tests that are run and compared regarding the time performances.
 */
export declare class Benchmark {
    /**
     * This Benchmark properties
     */
    private properties;
    /**
     * The tests added by the user, to be run
     */
    private tests;
    /**
     * The results obtained in the previous run of this benchmark.
     * Consists of a list of pairs test name - test stats
     */
    private results;
    /**
     * Function to run on the beginning of this benchmark
     */
    private onBegin;
    /**
     * Function to run on the end of the benchmark (on the end of all tests)
     */
    private onTestBegin;
    /**
     * Function to run on the end of the benchmark (on the end of all tests)
     */
    private onTestEnd;
    /**
     * Function to run on the end of the benchmark (on the end of all tests)
     */
    private onEnd;
    /**
     * Benchmark constructor
     *
     * @param properties This Benchmark properties used to create a properties object
     */
    constructor(properties?: object);
    /**
     * Get the @BenchmarkProperties used in this Benchmark, as an object
     */
    getProperties(): BenchmarkProperties;
    /**
     * Get the tests that perform on this Benchmark
     */
    getTests(): Array<Test>;
    /**
     * Get the results previously obtained on this Benchmark
     * @return list of pairs test name - test stats
     */
    getResults(): Array<[string, Stats]>;
    /**
     * Add a new test to this Benchmark
     *
     * @param testName the test name
     * @param fn The function to run on this test
     * @return the created @Test
     */
    add(test: Test): Benchmark;
    /**
     * Add an event to this Benchmark. Possibilities:
     *  - 'onBegin'
     *  - 'onTestBegin'
     *  - 'onTestEnd'
     *  - 'onEnd'
     *
     * @param eventName The name of the event to be altered
     * @param fn The function that will run when the event is called
     */
    on(eventName: string, fn: any): Benchmark;
    /**
     * Run this Benchmark list of @Test
     *
     * @return results obtained as a list of pairs test name - test stats
     */
    run(): Array<[string, Stats]>;
}