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