type InputFunction = (...args: any[]) => any;

declare function pify(input: InputFunction, options?: pify.PifyOptions): (...args: any[]) => Promise<any>;
declare function pify(input: object, options?: pify.PifyOptions): any;

declare namespace pify {
    interface PifyOptions {
        multiArgs?: boolean | undefined;
        include?: Array<string | RegExp> | undefined;
        exclude?: Array<string | RegExp> | undefined;
        excludeMain?: boolean | undefined;
        errorFirst?: boolean | undefined;
        promiseModule?: PromiseModule | undefined;
    }

    interface PromiseModule {
        new(executor: (resolve: (value?: any) => void, reject: (reason?: any) => void) => void): any;
    }
}

export = pify;