/* (omit javadoc for this method)
  * Method declared on ASTNode.
  */
 int treeSize() {
   return memSize()
       + (this.leftOperand == null ? 0 : getLeftOperand().treeSize())
       + (this.rightOperand == null ? 0 : getRightOperand().treeSize())
       + (this.extendedOperands == null ? 0 : extendedOperands.listSize());
 }
 /** @deprecated use interfaces() */
 public Identifier[] getInterfaces() {
   return this.interfaces.toArray(new Identifier[interfaces.size()]);
 }