diff --git a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmStdlibNames.java b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmStdlibNames.java
index 5ca5a48642f..f7fb2d603a0 100644
--- a/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmStdlibNames.java
+++ b/compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JvmStdlibNames.java
@@ -68,7 +68,8 @@ public class JvmStdlibNames {
     public static final JvmClassName JET_CLASS = JvmClassName.byFqNameWithoutInnerClasses("jet.runtime.typeinfo.JetClass");
     
     public static final String JET_CLASS_SIGNATURE = "signature";
-    
+    public static final String JET_CLASS_FLAGS_FIELD = "flags";
+
 
     public static final JvmClassName JET_OBJECT = JvmClassName.byFqNameWithoutInnerClasses("jet.JetObject");
 
diff --git a/runtime/src/jet/runtime/typeinfo/JetClass.java b/runtime/src/jet/runtime/typeinfo/JetClass.java
index 5ff0662c00d..3dc0bde21a4 100644
--- a/runtime/src/jet/runtime/typeinfo/JetClass.java
+++ b/runtime/src/jet/runtime/typeinfo/JetClass.java
@@ -28,4 +28,9 @@ import java.lang.annotation.RetentionPolicy;
 public @interface JetClass {
     String signature();
 
+    /**
+     * See JvmStdlibNames
+     * @return flags for method
+     */
+    int flags() default 0;
 }