sineed

module AMS
  module V09
    class Serializer < ActiveModel::Serializer

       def serializable_hash(adapter_options = nil,
                             options = {},
                             adapter_instance = self.class.serialization_adapter_instance)
         object.nil? ? nil : super
       end
    end

sineed

class NestedAttributesForStrategy
  def association(runner)
    runner.run
  end

  def result(evaluation)
    evaluation.object.tap do |instance|
      evaluation.notify(:after_build, instance)
      return attributes(instance)
    end