find_generated_attribute_method

# File activerecord/lib/active_record/attribute_methods.rb, line 158
      def find_generated_attribute_method(method_name) # :nodoc:
        klass = self
        until klass == Base
          gen_methods = klass.generated_attribute_methods
          return gen_methods.instance_method(method_name) if method_defined_within?(method_name, gen_methods, Object)
          klass = klass.superclass
        end
        nil
      end