Add missing generic
@@ -41,7 +41,7 @@ public abstract class FilterImpl<E> implements Filter<E> {
}
@Override
- public final Filter add(Predicate<? super E> predicate) {
+ public final Filter<E> add(Predicate<? super E> predicate) {
if (isLockedFilter()) {
throw new UnsupportedOperationException("You may not modify a locked filter");
}
