diff --git a/platform/core-api/src/com/intellij/psi/util/QualifiedName.java b/platform/core-api/src/com/intellij/psi/util/QualifiedName.java
index cd96e5438424..7ff4f7c4fd2a 100644
--- a/platform/core-api/src/com/intellij/psi/util/QualifiedName.java
+++ b/platform/core-api/src/com/intellij/psi/util/QualifiedName.java
@@ -201,4 +201,8 @@ public class QualifiedName {
   public int hashCode() {
     return myComponents.hashCode();
   }
+
+  public QualifiedName subQualifiedName(int fromIndex, int toIndex) {
+    return fromComponents(myComponents.subList(fromIndex, toIndex));
+  }
 }