# System.Diagnostics.CodeAnalysis

``` diff
 namespace System.Diagnostics.CodeAnalysis {
     public sealed class StringSyntaxAttribute : Attribute {
+        public const string CompositeFormat = "CompositeFormat";
+        public const string DateOnlyFormat = "DateOnlyFormat";
+        public const string EnumFormat = "EnumFormat";
+        public const string GuidFormat = "GuidFormat";
+        public const string NumericFormat = "NumericFormat";
+        public const string TimeOnlyFormat = "TimeOnlyFormat";
+        public const string TimeSpanFormat = "TimeSpanFormat";
+        public const string Uri = "Uri";
+        public const string Xml = "Xml";
     }
 }
```

