--- a/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultTruffleRuntime.java	Tue Sep 15 10:36:04 2015 +0200
+++ b/truffle/com.oracle.truffle.api/src/com/oracle/truffle/api/impl/DefaultTruffleRuntime.java	Wed Sep 16 11:33:22 2015 +0200
@@ -24,11 +24,28 @@
  */
 package com.oracle.truffle.api.impl;
 
-import java.util.*;
-
-import com.oracle.truffle.api.*;
-import com.oracle.truffle.api.frame.*;
-import com.oracle.truffle.api.nodes.*;
+import com.oracle.truffle.api.Assumption;
+import com.oracle.truffle.api.CallTarget;
+import com.oracle.truffle.api.CompilerOptions;
+import com.oracle.truffle.api.RootCallTarget;
+import com.oracle.truffle.api.Truffle;
+import com.oracle.truffle.api.TruffleRuntime;
+import com.oracle.truffle.api.frame.FrameDescriptor;
+import com.oracle.truffle.api.frame.FrameInstance;
+import com.oracle.truffle.api.frame.FrameInstanceVisitor;
+import com.oracle.truffle.api.frame.MaterializedFrame;
+import com.oracle.truffle.api.frame.VirtualFrame;
+import com.oracle.truffle.api.nodes.DirectCallNode;
+import com.oracle.truffle.api.nodes.IndirectCallNode;
+import com.oracle.truffle.api.nodes.LoopNode;
+import com.oracle.truffle.api.nodes.Node;
+import com.oracle.truffle.api.nodes.RepeatingNode;
+import com.oracle.truffle.api.nodes.RootNode;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.LinkedList;
+import java.util.Map;
+import java.util.WeakHashMap;
 
 /**
  * Default implementation of the Truffle runtime if the virtual machine does not provide a better