# System.Diagnostics.CodeAnalysis

``` diff
+namespace System.Diagnostics.CodeAnalysis {
+    public sealed class SuppressMessageAttribute : Attribute {
+        public SuppressMessageAttribute(string category, string checkId);
+        public string Category { get; }
+        public string CheckId { get; }
+        public string Justification { get; set; }
+        public string MessageId { get; set; }
+        public string Scope { get; set; }
+        public string Target { get; set; }
+    }
+}
```