import VinylFile from 'vinyl';
import { Ternary } from './ternary';
import { IfOptions, Mode } from './types';
export declare const ifthen: {
    <Data, ConcatMode extends Mode, Options extends IfOptions<Data, ConcatMode>>(options: Options): Ternary<Options>;
    vinyl<ConcatMode_1 extends Mode, Options_1 extends IfOptions<VinylFile, ConcatMode_1>>(options: IfOptions<VinylFile, ConcatMode_1>): Ternary<Options_1>;
};