array1:
  - $include: sample8-include1.yml
  - $include: sample8-include2.yml

array2:
  - $include: sample8-include1.yml
  - el: el.c
    prop: el.c prop
  - $include: sample8-include2.yml

array3:
  - $include: sample8-include1.yml
    array4:
      - $include: sample8-include2.yml