import { AbstractBinary, type FetchResult } from './AbstractBinary.ts';
export declare class ChromeForTestingBinary extends AbstractBinary {
    #private;
    static lastTimestamp: string;
    private dirItems?;
    initFetch(): Promise<void>;
    finishFetch(success: boolean): Promise<void>;
    fetch(dir: string): Promise<FetchResult | undefined>;
}