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package outer
package inner {
private[inner] class A
// the class is final: no warning
private[outer] final class B {
def doWork(a: A): A = a
}
// the trait is sealed and doWork is not
// and cannot be overridden: no warning
private[outer] sealed trait C {
def doWork(a: A): A = a
}
private[outer] final class D extends C
}
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