The contextual Java keywords, as ACL2 strings.
Definition:
(defconst *contextual-keywords* (list "exports" "module" "non-sealed" "open" "opens" "permits" "provides" "record" "requires" "sealed" "to" "transitive" "uses" "var" "when" "with" "yield"))
Theorem:
(defthm ascii-listp-of-*contextual-keywords* (implies (member-equal keyword *contextual-keywords*) (ascii-listp (string=>unicode keyword))))