GULOC02 should not warn here

[JohanLarsson]

namespace RoslynSandbox
{
    using RoslynSandbox.Properties;

    public class AppearanceItem
    {
        private readonly string translationKey;

        public AppearanceItem(string translationKey)
        {
            this.translationKey = translationKey;
        }

        public string DisplayName => Translate.Key(this.translationKey);
    }
}