reserved words with brackets in autocomplete

src/Microsoft.SqlTools.ServiceLayer/LanguageServices/AutoCompleteHelper.cs

@@ -342,6 +342,14 @@ namespace Microsoft.SqlTools.ServiceLayer.LanguageServices
             }
         }
 
+        /// <summary>
+        /// Retrieves the reserved word list 
+        /// </summary>
+        public static string[] GetReservedWordList()
+        {
+            return DefaultCompletionText;
+        }
+
         /// <summary>
         /// Gets or sets the current workspace service instance
         /// Setter for internal testing purposes only