What is an outer class protected?

But making an outer class protected doesn’t make sense as we need access to the class as a unit and protected access comes for components of a class which is extended. An outer class can be package-private (accessed only within the package) or public (accessed from anywhere).
For More Information Please Refer:
https://www.quora.com/Why-cant-we-declare-class-as-protected-in-Java
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