Function encode

Returns
    | {
        "^Error$": {
            cause: unknown;
            errors: unknown[];
            message: string;
            name: string;
            stack: string
            | undefined;
        };
    }
    | {
        "^Error$": {
            cause: unknown;
            errors?: undefined;
            message: string;
            name: string;
            stack: string
            | undefined;
        };
    }