arrPatternBool = (true | false)

nestedPatternBool = (true | ???*0* | ???*1* | false)
- *0* unknown mutation
  ⚠️  This value might have side effects
- *1* ???*2*[0]
  ⚠️  unknown object
  ⚠️  This value might have side effects
- *2* unknown mutation
  ⚠️  This value might have side effects

objPatternBool = (true | ???*0* | false)
- *0* unknown mutation
  ⚠️  This value might have side effects

singleAssignBool = (true | ???*0*)
- *0* unknown mutation
  ⚠️  This value might have side effects