wp-includes/sodium_compat/src/Core/SecretStream/State.php:39self public function counterReset() { $this->counter = 1; $this->_pad = str_repeat("\0", 4); 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/Core/SecretStream/State.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.