diff --git a/java/java-psi-api/src/com/intellij/psi/JvmPsiConversionHelper.java b/java/java-psi-api/src/com/intellij/psi/JvmPsiConversionHelper.java
index 913840d3fec5..71005b96e273 100644
--- a/java/java-psi-api/src/com/intellij/psi/JvmPsiConversionHelper.java
+++ b/java/java-psi-api/src/com/intellij/psi/JvmPsiConversionHelper.java
@@ -16,6 +16,7 @@
 package com.intellij.psi;
 
 import com.intellij.lang.jvm.JvmTypeDeclaration;
+import com.intellij.lang.jvm.JvmTypeParameter;
 import com.intellij.openapi.components.ServiceManager;
 import com.intellij.openapi.project.Project;
 import org.jetbrains.annotations.NotNull;
@@ -30,4 +31,7 @@ public interface JvmPsiConversionHelper {
 
   @Nullable
   PsiClass convertTypeDeclaration(@Nullable JvmTypeDeclaration typeDeclaration);
+
+  @NotNull
+  PsiTypeParameter convertTypeParameter(@NotNull JvmTypeParameter typeParameter);
 }
diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/JvmPsiConversionHelperImpl.java b/java/java-psi-impl/src/com/intellij/psi/impl/JvmPsiConversionHelperImpl.java
index 7e59d4849b42..ca1bca2373a1 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/JvmPsiConversionHelperImpl.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/JvmPsiConversionHelperImpl.java
@@ -16,8 +16,11 @@
 package com.intellij.psi.impl;
 
 import com.intellij.lang.jvm.JvmTypeDeclaration;
+import com.intellij.lang.jvm.JvmTypeParameter;
 import com.intellij.psi.JvmPsiConversionHelper;
 import com.intellij.psi.PsiClass;
+import com.intellij.psi.PsiTypeParameter;
+import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.Nullable;
 
 public class JvmPsiConversionHelperImpl implements JvmPsiConversionHelper {
@@ -27,4 +30,11 @@ public class JvmPsiConversionHelperImpl implements JvmPsiConversionHelper {
     if (typeDeclaration instanceof PsiClass) return (PsiClass)typeDeclaration;
     throw new RuntimeException("TODO");
   }
+
+  @NotNull
+  @Override
+  public PsiTypeParameter convertTypeParameter(@NotNull JvmTypeParameter typeParameter) {
+    if (typeParameter instanceof PsiTypeParameter) return (PsiTypeParameter)typeParameter;
+    throw new RuntimeException("TODO");
+  }
 }