1 files changed, 23 insertions, 1 deletions

diff --git a/src/api/wix/WixToolset.Data/AccessModifier.cs b/src/api/wix/WixToolset.Data/AccessModifier.cs
index 191558b5..3a125f14 100644
--- a/src/api/wix/WixToolset.Data/AccessModifier.cs
+++ b/src/api/wix/WixToolset.Data/AccessModifier.cs
@@ -28,11 +28,21 @@ namespace WixToolset.Data
         Protected = File,
 
         /// <summary>
-        /// Indicates the identifiers is visible only to the section where it is defined.
+        /// Indicates the identifier is visible only to the section where it is defined.
         /// </summary>
         Section,
         [Obsolete]
         Private = Section,
+
+        /// <summary>
+        /// Indicates the identifier can be overridden by another symbol.
+        /// </summary>
+        Virtual,
+
+        /// <summary>
+        /// Indicates the identifier overrides a virtual symbol.
+        /// </summary>
+        Override,
     }
 
     /// <summary>
@@ -65,6 +75,12 @@ namespace WixToolset.Data
                 case "private":
                     return AccessModifier.Section;
 
+                case "virtual":
+                    return AccessModifier.Virtual;
+
+                case "override":
+                    return AccessModifier.Override;
+
                 default:
                     throw new ArgumentException($"Unknown AccessModifier: {access}", nameof(access));
             }
@@ -91,6 +107,12 @@ namespace WixToolset.Data
                 case AccessModifier.Section:
                     return "section";
 
+                case AccessModifier.Virtual:
+                    return "virtual";
+
+                case AccessModifier.Override:
+                    return "override";
+
                 default:
                     throw new ArgumentException($"Unknown AccessModifier: {access}", nameof(access));
             }