type: or
attrs:
  key1: val1
  key2: val2
  key3:
children:
- type: seq
  id: hello
  help: Say hello to someone
  children:
  - type: str
    string: hello
  - type: or
    id: name
    help: Name of the person to greet
    children:
    - type: str
      string: john
    - type: str
      string: mike
- type: seq
  id: goodbye
  help: Say good bye to someone
  children:
  - type: str
    string: good
  - type: str
    string: bye
  - type: or
    id: name
    help: Name of the person to greet
    children:
    - type: str
      string: mary
    - type: str
      string: jessica