class RSpec::Mocks::MarshalExtension

def dump_with_rspec_mocks(object, *rest)
  if !::RSpec::Mocks.space.registered?(object) || NilClass === object
    dump_without_rspec_mocks(object, *rest)
  else
    dump_without_rspec_mocks(object.dup, *rest)
  end
end