import { AsyncCallback, AsyncSetupCallback, IsoBenchOptions, Processor } from ".";
export type Sample = {
    cycles: number;
    time: number;
    ops: number;
};
export type TestOptions = {
    samplesPerSpawn?: number;
    spawns?: number;
} & ({
    customCycles: number;
} | {
    customCycles?: null;
    time?: number;
});
export type TestCallbackSetup<T> = {
    async: false;
    callback: (setupData: T) => void;
    setup?: (() => T) | null;
} | {
    async: true;
    callback: AsyncCallback | AsyncSetupCallback<T>;
    setup?: (() => T) | null;
};
export declare class Test {
    readonly name: string;
    readonly index: number;
    readonly options: Required<TestOptions>;
    private _cb;
    error: string | null;
    opMs: number;
    totalTime: number;
    samples: Sample[];
    group: string;
    constructor(name: string, index: number, options: Required<TestOptions>, _cb: TestCallbackSetup<unknown>);
    fork(benchName: string, processors: Processor[], options: Required<IsoBenchOptions>): Promise<void>;
    setGroup(name: string): void;
    run(): Promise<void>;
}