wp-includes/sodium_compat/src/Core32/SecretStream/State.php:88self public function incrementCounter() { ++$this->counter; return $this; }Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/sodium_compat/src/Core32/SecretStream/State.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.