idea/testData/findUsages/java/findJavaClassUsages/JKClassDerivedClasses.results.txt

Unclassified usage (1: 19) public open class X: A()
Unclassified usage (3: 18) public interface T: A
Unclassified usage (5: 19) public open class Y: X()
Unclassified usage (7: 14) public class Z: Y(), T