Like methods, you can change any type visibilityscope.
方法一样，您可以更改任何类型的可见范围。
2
You can easily update a method signature or change his visibilityscope.
您可以轻松地更新方法签名或改变他的可视范围。
3
What many of us fail to think about is that as your business or project gains momentum you'll have to make more decisions precisely because its scope and visibility grows.