import { ReactiveControllerHost } from 'lit';
import { DropdownBaseController, DropdownHost, ErrorHandler } from '../interfaces/index.js';
import { BaseComponentController } from '@nuralyui/common/controllers';
/**
 * Abstract base controller class that implements common functionality
 * for all dropdown component controllers
 */
export declare abstract class BaseDropdownController extends BaseComponentController<DropdownHost & ReactiveControllerHost> implements DropdownBaseController, ErrorHandler {
    /**
     * Find elements in the host's shadow DOM
     */
    protected findElement(selector: string): HTMLElement | null;
    /**
     * Find multiple elements in the host's shadow DOM
     */
    protected findElements(selector: string): NodeListOf<HTMLElement>;
}
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