class RBS::UnitTest::Convertibles::BlankSlate

def __with_object_methods(*methods)
  methods.each do |method|
    singleton_class = ::Object.instance_method(:singleton_class).bind_call(self) #: Class
    singleton_class.instance_eval do
      define_method method, ::Object.instance_method(method)
    end
  end
  self
end