Marshal

    # File lib/rspec/mocks/extensions/marshal.rb, line 3
 3:     def dump_with_mocks(*args)
 4:       object = args.shift
 5:       return dump_without_mocks(*args.unshift(object)) unless object.instance_variable_defined?(:@mock_proxy)
 6: 
 7:       mp = object.instance_variable_get(:@mock_proxy)
 8:       return dump_without_mocks(*args.unshift(object)) unless mp.is_a?(::RSpec::Mocks::Proxy)
 9: 
10:       object.__send__(:remove_instance_variable, :@mock_proxy)
11: 
12:       begin
13:         dump_without_mocks(*args.unshift(object.dup))
14:       ensure
15:         object.instance_variable_set(:@mock_proxy,mp)
16:       end
17:     end