/**-----------------------------------------------------------------------------------------
* Copyright © 2025 Progress Software Corporation. All rights reserved.
* Licensed under commercial license. See LICENSE.md in the project root for more information
*-------------------------------------------------------------------------------------------*/
import { AfterViewInit, ElementRef, EventEmitter, OnDestroy, NgZone } from '@angular/core';
import { AttachmentTemplateDirective } from './attachment-template.directive';
import { LocalizationService } from '@progress/kendo-angular-l10n';
import { MessageTemplateDirective } from './message-template.directive';
import { ExecuteActionEvent, Message, SendMessageEvent, User } from './api';
import { MessageBoxType } from './common/models/message-box-options';
import { ChatMessageBoxTemplateDirective } from './message-box.directive';
import { MessageBoxComponent } from './message-box.component';
import * as i0 from "@angular/core";
/**
 * Represents the Kendo UI Chat component for Angular.
 *
 * <demo metaUrl="conversational-ui/chat/echo/" height="700"></demo>
 *
 */
export declare class ChatComponent implements AfterViewInit, OnDestroy {
    private localization;
    private zone;
    /**
     * Sets the messages of the Chat.
     * The message timestamp, if provided, tracks unique messages.
     * For more information, refer to [ngFor - Change Tracking](link:site.data.urls.angular['ngforof']#change-propagation).
     */
    messages: Message[];
    /**
     * Sets the [`User`]({% slug api_conversational-ui_user %}) instance for the local user.
     * The User ID identifies messages that are authored by the local user.
     */
    user: User;
    /**
     * Used to switch between a one-liner input or a textarea.
     * ([see example]({% slug message_box %})#toc-message-box-types).
     * @default input
     */
    messageBoxType: MessageBoxType;
    /**
     * Fires when the user types a message and clicks the **Send** button or presses **Enter**.
     * Emits the [`SendMessageEvent`]({% slug api_conversational-ui_sendmessageevent %}).
     *
     * > The message is not automatically appended to the `messages` array.
     */
    sendMessage: EventEmitter<SendMessageEvent>;
    /**
     * Fires when the user clicks a quick action button.
     * The Chat internally handles the `reply`, `openUrl`, and `call` [known actions]({% slug api_conversational-ui_actiontype %}).
     *
     * Emits the [`ExecuteActionEvent`]({% slug api_conversational-ui_executeactionevent %}).
     * The event is preventable. If `preventDefault` is called, the built-in action will be suppressed.
     */
    executeAction: EventEmitter<ExecuteActionEvent>;
    get className(): string;
    get dirAttr(): string;
    attachmentTemplate: AttachmentTemplateDirective;
    messageTemplate: MessageTemplateDirective;
    messageBoxTemplate: ChatMessageBoxTemplateDirective;
    messageBox: MessageBoxComponent;
    /**
     * @hidden
     */
    messageList: ElementRef;
    /**
     * @hidden
     */
    get localizationText(): LocalizationService;
    /**
     * @hidden
     */
    autoScroll: boolean;
    private direction;
    private localizationChangeSubscription;
    constructor(localization: LocalizationService, zone: NgZone);
    ngOnChanges(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    /**
     * @hidden
     */
    dispatchAction(e: ExecuteActionEvent): void;
    /**
     * @hidden
     */
    textFor(key: string): string;
    static ɵfac: i0.ɵɵFactoryDeclaration<ChatComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<ChatComponent, "kendo-chat", never, { "messages": { "alias": "messages"; "required": false; }; "user": { "alias": "user"; "required": false; }; "messageBoxType": { "alias": "messageBoxType"; "required": false; }; }, { "sendMessage": "sendMessage"; "executeAction": "executeAction"; }, ["attachmentTemplate", "messageTemplate", "messageBoxTemplate"], never, true, never>;
}