import { BenchmarkResult, BenchmarkOpts } from "../types.js";
export type BenchmarkRunOpts = BenchmarkOpts & {
    id: string;
};
export type BenchmarkRunOptsWithFn<T, T2> = BenchmarkOpts & {
    id: string;
    fn: (arg: T) => void | Promise<void>;
    before?: () => T2 | Promise<T2>;
    beforeEach?: (arg: T2, i: number) => T | Promise<T>;
};
export declare function runBenchFn<T, T2>(opts: BenchmarkRunOptsWithFn<T, T2>, persistRunsNs?: boolean): Promise<{
    result: BenchmarkResult;
    runsNs: bigint[];
}>;
//# sourceMappingURL=runBenchFn.d.ts.map