module ActiveModel::AttributeMethods::ClassMethods

def generate_alias_attribute_methods(code_generator, new_name, old_name) # :nodoc:
  ActiveSupport::CodeGenerator.batch(code_generator, __FILE__, __LINE__) do |owner|
    attribute_method_patterns.each do |pattern|
      alias_attribute_method_definition(code_generator, pattern, new_name, old_name)
    end
    attribute_method_patterns_cache.clear
  end
end