wp-includes/blocks/template-part.php:294Returns an array of all template part block variations.
arrayfunction build_template_part_block_variations() { $instance_variations = build_template_part_block_instance_variations(); $area_variations = build_template_part_block_area_variations( $instance_variations ); return array_merge( $area_variations, $instance_variations );}Introduced in 5.9.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/blocks/template-part.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.