可以展示嵌套的class层级吗

[InRunning]

Is your feature request related to a problem? Please describe.
可以展示嵌套的class层级

Describe the solution you'd like
比如一个class中包含另一个class的变量，那么在outline中可以展开该变量的class里面的变量等，跟递归一样

Describe alternatives you've considered
A clear and concise description of any alternative solutions or features you've considered.

Additional context
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