export declare class ChatMessageResponseDto {
    id: number;
    sender_id: number;
    receiver_id: number;
    message: string;
    is_read: boolean;
    created_at: Date;
    updated_at: Date;
}
export declare class ChatHistoryResponseDto {
    message_ids: number[];
    messages: ChatMessageResponseDto[];
    total_count: number;
    returned_count: number;
}
export declare class ChatConversationResponseDto {
    id: number;
    dispatcher_id: number;
    driver_id: number;
    dispatcher_unread_count: number;
    driver_unread_count: number;
    created_at: Date;
    updated_at: Date;
}
export declare class MarkMessagesReadResponseDto {
    success: boolean;
    message: string;
}