with a list:

# This should be a DummyThing
name: myDummyWithListAndMap
title: 'Some title'
enabled: true
level: 4
modelClass: info.magnolia.config.dummy.DummyModel
someBeans:
    - a: first
      b: second
    - a: third
      b: fourth
someNumbers:
    - 5.25
    - 3.14
    - 0.91
someOtherBeans:
    key1:
        a: key1-a
        b: key1-b
    key2:
        a: key2-a
        b: key2-b
someOtherStrings:
    key1: 'Key ONE'
    key2: 'Key TWO'