Move value types methods to region

Author: FreePhoenix888

csharp/Platform.Data.Doublets.Xml/DefaultXmlStorage.cs

@@ -171,6 +171,8 @@ public DefaultXmlStorage(ILinks<TLinkAddress> links, IConverter<IList<TLinkAddre
 
         #endregion
 
+        #region ValueTypes
+
         // #region Boolean
         //
         // public TLinkAddress CreateBooleanValue(bool value) => CreateValue(value ? TrueType : FalseType);
@@ -323,6 +325,8 @@ public string GetString(TLinkAddress stringLinkAddress)
         //
         // #endregion
 
+        #endregion
+
         public bool IsNode(TLinkAddress possibleXmlNode)
         {
             var isElement = IsElementNode(possibleXmlNode);