new

# File activemodel/lib/active_model/serializers/xml.rb, line 47
        def initialize(serializable, options = nil)
          @serializable = serializable
          @options = options ? options.dup : {}

          @options[:only] = Array.wrap(@options[:only]).map { |n| n.to_s }
          @options[:except] = Array.wrap(@options[:except]).map { |n| n.to_s }
        end