Umbraco-CMS/src/Umbraco.Web/RenderFieldCaseType.cs

namespace Umbraco.Web
{
    /// <summary>
    /// Used in the .Field method when rendering an Umbraco field to specify what case type it should be
    /// </summary>
    public enum RenderFieldCaseType
    {
        Upper,
        Lower,
        Title,
        Unchanged
    }
}