import { ConcatStreamGenerator, ConcatStreamGenerators } from './types';
export declare type ConcatOptionsType = ConcatOptions | ConcatStreamGenerator | ConcatStreamGenerators;
export declare class ConcatOptions {
    bindThis?: any;
    generators: ConcatStreamGenerators;
    constructor(options: ConcatOptionsType);
}
export declare function isConcatOptions(options: ConcatOptions | ConcatStreamGenerator | ConcatStreamGenerators): options is ConcatOptions;