1[
2 MyTestClass1(x=1),
3 MyTestClass1(x=1, y=2, z=3),
4 MyTestClass2(x=10),
5 MyTestClass2(x=10, y=20, z=30),
6 MyTestClass3(x=1),
7 MyTestClass3(x=1, y=2, z=3),
8 MyTestClass3(x=1, y=2, z=3),
9 YAMLObject1(my_parameter='foo', my_another_parameter=[1,2,3])
10]
11