import { PrepareApplicationStageDirectoryOptions } from "../Framework";
import { ElectronBrandingOptions } from "./ElectronFramework";
export declare class FFMPEGInjector {
    private readonly options;
    private readonly electronVersion;
    private readonly branding;
    constructor(options: PrepareApplicationStageDirectoryOptions, electronVersion: string, branding: Required<ElectronBrandingOptions>);
    inject(): Promise<string>;
    private downloadFFMPEG;
    private copyFFMPEG;
}