wp-includes/class-wp-feed-cache-transient.php:133true public function unlink() { delete_site_transient( $this->name ); delete_site_transient( $this->mod_name ); return true; }Introduced in 2.8.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-feed-cache-transient.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.