import { Binder } from "@ribajs/core";
import { Dropdown as BSDropdown } from "bootstrap";
export declare class DropdownBinder extends Binder<Partial<BSDropdown.Options>, HTMLInputElement> {
    static key: string;
    private toggler?;
    private dropdownService?;
    bind(el: HTMLElement): void;
    routine(el: HTMLElement, option?: {}): void;
}