wp-includes/class-wp-customize-control.php:692Renders the control's JS template.
final public function print_template() { ?> <script type="text/html" id="tmpl-customize-control-<?php echo esc_attr( $this->type ); ?>-content"> <?php $this->content_template(); ?> </script> <?php }Introduced in 4.1.0. Unchanged from 6.7.7 through 7.1.0.
Signature, return type and hooks compared across 5 parsed releases.
src/wp-includes/class-wp-customize-control.php, and regenerated for each WordPress release so it tracks the code rather than a snapshot of it.