Stream<JavaClass> ownerAndSupertypes = Stream.of(
                Stream.of(input.getOwner()),
                input.getOwner().getAllRawSuperclasses().stream(),
                input.getOwner().getAllRawInterfaces().stream()
            ).flatMap(Function.identity());

            return ownerAndSupertypes.anyMatch(classInHierarchy ->
                findMatchingCallableMember(classInHierarchy, input)