# Microsoft.Extensions.Configuration.Xml

``` diff
 namespace Microsoft.Extensions.Configuration.Xml {
     public class XmlDocumentDecryptor {
-        public XmlReader CreateDecryptingXmlReader(Stream input, XmlReaderSettings settings);
+        public XmlReader CreateDecryptingXmlReader(Stream input, XmlReaderSettings? settings);
     }
     public class XmlStreamConfigurationProvider : StreamConfigurationProvider {
-        public static IDictionary<string, string> Read(Stream stream, XmlDocumentDecryptor decryptor);
+        public static IDictionary<string, string?> Read(Stream stream, XmlDocumentDecryptor decryptor);
     }
 }
```

