eagerly_generate_alias_attribute_methods

# File activemodel/lib/active_model/attribute_methods.rb, line 212
      def eagerly_generate_alias_attribute_methods(new_name, old_name) # :nodoc:
        ActiveSupport::CodeGenerator.batch(generated_attribute_methods, __FILE__, __LINE__) do |code_generator|
          generate_alias_attribute_methods(code_generator, new_name, old_name)
        end
      end