/**
  * The class constructor.
  */
 private function __construct()
 {
     if (is_null(self::$google_fonts)) {
         self::$google_fonts = Kirki()->font_registry->get_google_fonts();
     }
     if (is_null(self::$backup_fonts)) {
         self::$backup_fonts = Kirki()->font_registry->get_backup_fonts();
     }
 }
 /**
  * The class constructor.
  */
 private function __construct()
 {
     if (is_null(self::$google_fonts)) {
         self::$google_fonts = Kirki_Fonts::get_google_fonts();
     }
     if (is_null(self::$backup_fonts)) {
         self::$backup_fonts = Kirki_Fonts::get_backup_fonts();
     }
 }