wp-includes/customize/class-wp-customize-selective-refresh.php:64Plugin bootstrap for Partial Refresh functionality.
$managerWP_Customize_Manager public function __construct( WP_Customize_Manager $manager ) { $this->manager = $manager; require_once ABSPATH . WPINC . '/customize/class-wp-customize-partial.php'; add_action( 'customize_preview_init', array( $this, 'init_preview' ) ); }Introduced in 4.5.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/customize/class-wp-customize-selective-refresh.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.