import { EventHandler } from './event-emitter';
import { App, ChatPosition, InitialElement, AppTheme } from './app';
import { MixedObject } from '../types';
export declare const createFacade: (instance: App) => {
    on(type: string, handler: EventHandler): void;
    once(type: string, handler: EventHandler): void;
    off(type?: string, handler?: EventHandler): void;
    offAll(): void;
    showChatbox(): void;
    hideChatbox(): void;
    showButton(): void;
    hideButton(): void;
    setButtonText(text: string): void;
    showTeaser(): void;
    hideTeaser(): void;
    setTeaserText(text: string): void;
    setPosition(position: ChatPosition): void;
    setTheme(theme: AppTheme): void;
    showActionButtons(): void;
    hideActionButtons(): void;
    setActionButtons(buttons: MixedObject[]): void;
    getContext(key: string): Promise<any>;
    setContext(key: string, value: any): Promise<any>;
    getConfig(): MixedObject;
    getClientConfig(): MixedObject;
    setUnreadCounter(amount: number): void;
    increaseUnreadCounter(amount: number): void;
    triggerElement(options: {
        successor: string;
        showChatbox?: boolean;
        suppressInitialElement?: boolean;
    }): void;
    setInitialElement(options: InitialElement): void;
    getInitialElement(): InitialElement;
    isChatboxVisible(): boolean;
    destroy(): void;
    isDestroyed(): boolean;
    isReady(): boolean;
    setLocale(locale: string): void;
};