module Lutaml::Model::Serialize::ClassMethods

def add_enum_getter_if_not_defined(klass, enum_name, collection)
  Utils.add_method_if_not_defined(klass, enum_name) do
    i = instance_variable_get(:"@#{enum_name}") || []
    if !collection && i.is_a?(Array)
      i.first
    else
      i.uniq
    end
  end
end