export declare class CreateRoomDto {
    name?: string;
    memberIds: number[];
    inquiry_id?: number;
    inquiry_ref?: string;
}
export declare class SendMessageDto {
    roomId: number;
    message: string;
    type?: 'text' | 'file' | 'image';
    file_url?: string;
    file_name?: string;
    reply_to_id?: number;
}
export declare class TypingDto {
    roomId: number;
}
export declare class MarkReadDto {
    roomId: number;
}
export declare class JoinRoomDto {
    roomId: number;
}