Make RuleClass non-final for testing.
MOS_MIGRATED_REVID=147656856
@@ -101,8 +101,9 @@ import javax.annotation.concurrent.Immutable;
* addition, "deps" may have rule-specific semantics.
* </ul>
*/
+// Non-final only for mocking in tests. Do not subclass!
@Immutable
-public final class RuleClass {
+public class RuleClass {
static final Function<? super Rule, Map<String, Label>> NO_EXTERNAL_BINDINGS =
Functions.<Map<String, Label>>constant(ImmutableMap.<String, Label>of());
