A new builder class lets developers quickly create notifications that include large and small ICONS, a title, a priority flag, and any properties already available in previous versions.

一个新的生成器类可以让开发者快速创建通知，通知可以包括大，小图标，标题，优先级标志和其它所有早期版本所具有的属性。

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The red and green flag ICONS before the words "High Priority" and "Medium Priority," in this case, actually have the same meaning as the words, so the ICONS are non-functional or redundant.

在词语“高优先级”和“中等优先级”前的红色和绿色标志图标，其实与词语意思相同，因此这些图标就是非功能性的或者说是冗余的。

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