def to_hash
      ret = {}
      @hash.dup.each_pair do |key, val|
        ret[key] = self.convert_value_from_ostruct(val)
      end
      ret
    end
def to_hash
      ret = {}
      @hash.dup.each_pair do |key, val|
        ret[key] = self.convert_value_from_ostruct(val)
      end
      ret
    end
recursive open struct