generate_alias_attribute_methods

# File activemodel/lib/active_model/attribute_methods.rb, line 217
      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