1 files changed, 14 insertions, 0 deletions
diff --git a/java/java-psi-impl/src/com/intellij/psi/impl/source/resolve/graphInference/InferenceVariable.java b/java/java-psi-impl/src/com/intellij/psi/impl/source/resolve/graphInference/InferenceVariable.java
index f750e1247728..593194354b7d 100644
--- a/java/java-psi-impl/src/com/intellij/psi/impl/source/resolve/graphInference/InferenceVariable.java
+++ b/java/java-psi-impl/src/com/intellij/psi/impl/source/resolve/graphInference/InferenceVariable.java
@@ -43,6 +43,10 @@ public class InferenceVariable {
   public void setInstantiation(PsiType instantiation) {
     myInstantiation = instantiation;
   }
+  
+  public void ignoreInstantiation() {
+    myInstantiation = PsiType.NULL;
+  }
 
   public boolean isCaptured() {
     return myCaptured;
@@ -70,4 +74,14 @@ public class InferenceVariable {
     final List<PsiType> bounds = myBounds.get(inferenceBound);
     return bounds != null ? new ArrayList<PsiType>(bounds) : Collections.<PsiType>emptyList();
   }
+
+  public Set<InferenceVariable> getDependencies(InferenceSession session) {
+    final HashSet<InferenceVariable> dependencies = new HashSet<InferenceVariable>();
+    for (InferenceBound inferenceBound : InferenceBound.values()) {
+      for (PsiType bound : getBounds(inferenceBound)) {
+        session.collectDependencies(bound, dependencies, true);
+      }
+    }
+    return dependencies;
+  }
 }