the-biergarten-app/web/backend/Features/Features.Auth/Commands/RefreshToken/RefreshTokenValidator.cs

using FluentValidation;

namespace Features.Auth.Commands.RefreshToken;

public class RefreshTokenValidator : AbstractValidator<RefreshTokenCommand>
{
    public RefreshTokenValidator()
    {
        RuleFor(x => x.RefreshToken).NotEmpty().WithMessage("Refresh token is required");
    }
}