partial void CopyExtraPropertiesToClone(PicklistCollection clone, bool includeLocalProperties);
public PicklistCollection Clone(bool includeLocalProperties)
{
var c = new PicklistCollection
{
Text = Text,
Items = Items.Select(x=>x.Clone(includeLocalProperties)).ToList(),
};
CopyExtraPropertiesToClone(c, includeLocalProperties);
return c;
}