1 files changed, 29 insertions, 0 deletions
diff --git a/src/System.Private.CoreLib/src/System/Reflection/Emit/CustomAttributeBuilder.cs b/src/System.Private.CoreLib/src/System/Reflection/Emit/CustomAttributeBuilder.cs
new file mode 100644
index 000000000..27060a966
--- /dev/null
+++ b/src/System.Private.CoreLib/src/System/Reflection/Emit/CustomAttributeBuilder.cs
@@ -0,0 +1,29 @@
+// Licensed to the.NET Foundation under one or more agreements.
+// The .NET Foundation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
+namespace System.Reflection.Emit
+{
+    public class CustomAttributeBuilder
+    {
+        public CustomAttributeBuilder(ConstructorInfo con, object[] constructorArgs)
+        {
+            ReflectionEmitThrower.ThrowPlatformNotSupportedException();
+        }
+
+        public CustomAttributeBuilder(ConstructorInfo con, object[] constructorArgs, FieldInfo[] namedFields, object[] fieldValues)
+        {
+            ReflectionEmitThrower.ThrowPlatformNotSupportedException();
+        }
+
+        public CustomAttributeBuilder(ConstructorInfo con, object[] constructorArgs, PropertyInfo[] namedProperties, object[] propertyValues)
+        {
+            ReflectionEmitThrower.ThrowPlatformNotSupportedException();
+        }
+
+        public CustomAttributeBuilder(ConstructorInfo con, object[] constructorArgs, PropertyInfo[] namedProperties, object[] propertyValues, FieldInfo[] namedFields, object[] fieldValues)
+        {
+            ReflectionEmitThrower.ThrowPlatformNotSupportedException();
+        }
+    }
+}