import { ElementRef, EventEmitter } from '@angular/core';
export declare class ChatAreaComponent {
    box: ElementRef;
    context: any;
    readonly: any;
    onSendText: EventEmitter<any>;
    toggleEmojiPanel: EventEmitter<any>;
    showUploadPanel: EventEmitter<any>;
    isVisitorWriting: EventEmitter<any>;
    isWritingTimer: any;
    isWritingTimeout: number;
    appendText(value: any): void;
    canShowUpload(): boolean;
    clearIsWriting(): void;
    isWriting(): void;
    showUpload(): void;
    toggleEmoji(): void;
    sendText(value: any): void;
}