public void initExecutionStacks(ThreadReferenceProxyImpl activeThread) {
    assertCanBeUsed();
    DebuggerManagerThreadImpl.assertIsManagerThread();
    if (myThread == null) {
      setThread(activeThread);
    }
    if (activeThread != null) {
      myActiveExecutionStack = new JavaExecutionStack(activeThread, myDebugProcess, myThread == activeThread);
      myActiveExecutionStack.initTopFrame();
    }
  }
public void initExecutionStacks(ThreadReferenceProxyImpl activeThread)