wp-includes/style-engine/class-wp-style-engine-css-rules-store.php:115Gets an array of all rules.
WP_Style_Engine_CSS_Rule[] public function get_all_rules() { return $this->rules; }Introduced in 6.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/style-engine/class-wp-style-engine-css-rules-store.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.