marshal_load

# File activemodel/lib/active_model/attribute_set/builder.rb, line 146
    def marshal_load(values)
      if values.is_a?(Hash)
        ActiveSupport::Deprecation.warn(<<~MSG)
          Marshalling load from legacy attributes format is deprecated and will be removed in Rails 6.2.
        MSG
        empty_hash = {}.freeze
        initialize(empty_hash, empty_hash, empty_hash, empty_hash, values)
        @materialized = true
      else
        initialize(*values)
      end
    end