export declare class ErrorObject {
    code: number;
    message: string;
    metadata: unknown;
}
export declare class ResponseModel {
    status: string;
    error: ErrorObject | unknown;
    data: unknown;
    message: string;
    token: string;
    timestamp: number;
    static buildSuccess(data: unknown, message?: string, token?: string): ResponseModel;
    static buildError(message: string, error?: ErrorObject | unknown, token?: string): ResponseModel;
}