AutoMapProperty/AutoMapPropertyHelper/AutoMapNullability.cs

namespace AutoMapPropertyHelper
{
    public enum AutoMapNullability
    {
        /// <summary>Keep the source type, or the explicitly supplied replacement type, unchanged.</summary>
        Preserve,
        /// <summary>Add a nullable annotation or wrap a value type in Nullable&lt;T&gt;.</summary>
        Nullable,
        /// <summary>Remove a nullable annotation or unwrap Nullable&lt;T&gt;.</summary>
        NonNullable
    }
}