deserialize

# File activejob/lib/active_job/serializers/duration_serializer.rb, line 12
      def deserialize(hash)
        value = hash["value"]
        parts = Arguments.deserialize(hash["parts"])
        # `parts` is originally a hash, but will have been flattened to an array by Arguments.serialize
        klass.new(value, parts.to_h)
      end