main1_only_scalar: i
main1_only_array:
  - i1
  - i2
  - i1: i2
    i3: i4
main1_only_hash:
  i1: i2
  i3: i4
  i5:
    - i6
    - i7
main1_overwritten_by_sub1_scalar: n1
main1_overwritten_by_sub1_array: 
  - n1
  - n2
  - n3
  - n4: n5
    n6: n7
main1_overwritten_by_sub1_hash:
  n1: n2
  n3: n4
  n5:
    - n6
    - n7
    - n8