public function import_layouts_from_theme($source_dir, $overwrite_assignment = false)
 {
     return WPDD_Layouts_Theme::getInstance()->import_layouts_from_theme($source_dir, $overwrite_assignment);
 }
function init_layouts_theme_support()
{
    global $wpddlayout_theme;
    $wpddlayout_theme = WPDD_Layouts_Theme::getInstance();
}
function ddl_update_theme_layouts($layouts_dir, $import_args)
{
    WPDD_Layouts_Theme::getInstance()->update_layouts($layouts_dir, $import_args);
}