import { DropdownController, DropdownPosition } from '../interfaces/index.js';
import { BaseDropdownController } from './base.controller.js';
import type { NrDropdownElement } from '../dropdown.component.js';
export declare class NrDropdownController extends BaseDropdownController implements DropdownController {
    private _isOpen;
    private _position;
    private _triggerElement;
    private _dropdownElement;
    private _outsideClickHandler;
    private _keydownHandler;
    private _hoverTimer;
    private _triggerClickHandler;
    private _triggerHoverHandler;
    private _triggerLeaveHandler;
    private _triggerFocusHandler;
    private _triggerBlurHandler;
    private _scrollHandler;
    private _resizeHandler;
    constructor(host: NrDropdownElement);
    get isOpen(): boolean;
    get position(): DropdownPosition;
    hostConnected(): void;
    hostUpdated(): void;
    hostDisconnected(): void;
    open(): void;
    close(): void;
    toggle(): void;
    private removeTriggerListeners;
    private findDropdownElements;
    private setupTriggerListeners;
    private setupEventListeners;
    private removeEventListeners;
    private handleTriggerClick;
    private handleTriggerHover;
    private handleTriggerLeave;
    private handleTriggerFocus;
    private handleTriggerBlur;
    private handleOutsideClick;
    private handleKeydown;
    private handleScroll;
    private handleResize;
    calculatePosition(): void;
    private determineHorizontalPlacement;
    private applyPlacement;
    private isHoveringDropdown;
    private isDropdownFocused;
    handleItemClick(item: any, originalEvent?: MouseEvent): void;
    private cleanup;
}
//# sourceMappingURL=dropdown.controller.d.ts.map