import { EventType } from './event';
import { ListenerFunction } from './types';
import { Options } from './types/options';
import { Stats } from './types/stats';
export declare class Suite {
    private benches;
    add(name: string, fn: Function): Suite;
    on(type: EventType, listener: ListenerFunction): Suite;
    off(type: EventType, listener?: ListenerFunction): Suite;
    run: (options?: Options) => Promise<any[]>;
    toJSON(): {
        [key: string]: Stats;
    };
    toString(): string;
}