import { WidgetType, type Config } from '@brainfish-ai/widgets-common';
/**
 * Handles all DOM manipulation for widgets
 * Single responsibility: Manage DOM elements and their states
 */
export declare class WidgetDOMController {
    private widgetType;
    private button;
    private icon;
    private closeCallback;
    constructor(widgetType: WidgetType);
    setCloseCallback(callback: () => void): void;
    get containerClass(): string;
    get container(): HTMLDivElement | null;
    get iframe(): HTMLIFrameElement | null;
    get backdrop(): HTMLElement | null;
    setElements(button?: HTMLElement, icon?: HTMLElement): void;
    openWidget(options?: {
        newConversation?: boolean;
        contextualQuestion?: string;
        position?: string;
    }): void;
    focusNextElement(): void;
    closeWidget(): void;
    private updateButtonForOpen;
    private updateButtonForClose;
    showTriggerButton(): void;
    hideTriggerButton(): void;
    resizeContainer(height: number): void;
    private isMobile;
    setupButtonClickListener(callback: () => void): void;
    /**
     * Check if widget DOM exists for a given widget key and config
     * Used to verify widget initialization after route changes
     */
    static isWidgetDOMExisting(widgetKey: string, config: Config): boolean;
}