import type Stats from 'stats-accumulator';
export interface RunOptions {
    time?: number;
    heapdumpTrigger?: number;
    heapdumped?: boolean;
}
export type RunResult = Record<string, {
    name: string;
    stats: Stats;
}>;
export interface MemoryRunOnceResult {
    end: number;
    delta: Stats;
}
export type Callback = () => void;
export type TestFn = (cb: Callback) => void;
export interface Test {
    run: (options: RunOptions) => Promise<RunResult>;
    metric: (stats: Stats) => number;
    formatStats: (stats: Stats) => string;
}