public open class PublicTopLevelClass {
    public class PublicToInternalNestedClass
    public class PublicToProtectedNestedClass
    public class PublicToPrivateNestedClass
    public inner class PublicToInternalInnerClass
    public inner class PublicToProtectedInnerClass
    public inner class PublicToPrivateInnerClass
}

public open class PublicToInternalTopLevelClass {
    public class PublicToInternalNestedClass
    public class PublicToProtectedNestedClass
    public class PublicToPrivateNestedClass
    public inner class PublicToInternalInnerClass
    public inner class PublicToProtectedInnerClass
    public inner class PublicToPrivateInnerClass
}

public open class PublicToPrivateTopLevelClass {
    public class PublicToInternalNestedClass
    public class PublicToProtectedNestedClass
    public class PublicToPrivateNestedClass
    public inner class PublicToInternalInnerClass
    public inner class PublicToProtectedInnerClass
    public inner class PublicToPrivateInnerClass
}