import { ChatActionUnion } from '@airgram-dev/core';
/** User activity in the chat has changed */
export declare class UpdateUserChatActionBaseModel {
    _: 'updateUserChatAction';
    /** Chat identifier */
    chatId: number;
    /** Identifier of a user performing an action */
    userId: number;
    /** The action description */
    action: ChatActionUnion;
}