# Microsoft.Extensions.Primitives

``` diff
 namespace Microsoft.Extensions.Primitives {
     public readonly struct StringValues : ICollection<string?>, IEnumerable, IEnumerable<string?>, IEquatable<string?>, IEquatable<StringValues>, IEquatable<string?[]>, IList<string?>, IReadOnlyCollection<string?>, IReadOnlyList<string?> {
         public struct Enumerator : IDisposable, IEnumerator, IEnumerator<string?> {
-            object System.Collections.IEnumerator.Current { get; }
+            object? System.Collections.IEnumerator.Current { get; }
         }
     }
 }
```

