serializable_collection

# File activemodel/lib/active_model/serializers/xml.rb, line 66
        def serializable_collection
          methods = Array(options[:methods]).map(&:to_s)
          serializable_hash.map do |name, value|
            name = name.to_s
            if methods.include?(name)
              self.class::MethodAttribute.new(name, @serializable, value)
            else
              self.class::Attribute.new(name, @serializable, value)
            end
          end
        end