# File lib/aws/xml_grammar.rb, line 94
      def deep_copy(hash = self)
        fields = hash.inject({}) do |copy,(key,value)|
          if value.is_a?(CustomizationContext)
            value = value.deep_copy
          elsif value.is_a?(Hash)
            value = deep_copy(value)
          end
          copy[key] = value
          copy
        end
        hash.merge(fields)
      end