public void addChild(final Property property)throws IOException{String name = property.getName();if (_children_names.contains(name)){throw new IOException("Duplicate name \"" + name + "\"");}_children_names.add(name);_children.add(property);}

public void AddChild(Property property){String name = property.Name;if (_children_names.Contains(name)){throw new IOException("Duplicate name \"" + name + "\"");}_children_names.Add(name);_children.Add(property);}
