--> read access:
Warning: Attempt to read property "p" on true in %s on line %d

--> direct assignment:
Attempt to assign property "p" on true

--> increment:
Attempt to increment/decrement property "p" on true

--> reference assignment:
Attempt to modify property "p" on true

--> reference assignment:
Attempt to modify property "p" on true

--> indexed assignment:
Attempt to modify property "p" on true

--> Confirm assignments have had no impact:
bool(true)