Angular: 文档 `window.ng`、ng.coreTokens 和 ng.probe()

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当前行为

window.ng没有记录并且包含一些项目。

ng.probe()某种组件调试？
ng.coreTokens包含 appref、router 等，但它们只是类而不是实例？ 这是否以某种方式与ng.probe ？

它用于某些调试目的并被 augury 文档引用。

https://augury.rangle.io/pages/guides/architecture.html

环境

角度版本：7.0.0