/**
  * Call back method that must be called as soon as the given <code>
  * InstanceofExpression</code> object has been traversed.
  *
  * @param pInstanceofExpression  The <code>InstanceofExpression</code>
  *                               object that has just been traversed.
  */
 public void actionPerformed(
      
     InstanceofExpression pInstanceofExpression)
 {
     // Nothing to do.
 }
 /**
  * Call back method that must be called when the given <code>
  * InstanceofExpression</code> will become the next <i>traverse
  * candidate</i>.
  *
  * @param pInstanceofExpression  The <code>InstanceofExpression</code>
  *                               object that will become the next <i>
  *                               traverse candidate</i>.
  */
 public void performAction(
      
     InstanceofExpression pInstanceofExpression)
 {
     // Nothing to do.
 }