THPDFPreflightPluginBundle.Default Method
class function Default: THPDFPreflightPluginBundle; static;
返回带 THPDFPreflightPluginLimits.Default 的空策略和插件数组
class function Default: THPDFPreflightPluginBundle; static;
返回带 THPDFPreflightPluginLimits.Default 的空策略和插件数组