AMP_Customizer_Design_Settings::init_customizer PHP Method

    public static function init_customizer()
    {
        add_action('amp_customizer_register_settings', array(__CLASS__, 'register_customizer_settings'));
        add_action('amp_customizer_register_ui', array(__CLASS__, 'register_customizer_ui'));
        add_action('amp_customizer_enqueue_preview_scripts', array(__CLASS__, 'enqueue_customizer_preview_scripts'));
    }