loading method
Implementation
String loading(
String message, {
String? title,
String? description,
ToastPosition? position,
}) {
return _show(ToastData(
id: _generateId(),
message: message,
title: title,
description: description,
variant: ToastVariant.loading,
duration: 0,
dismissible: false,
position: position ?? _defaultPosition,
));
}