Make valueOrNull nullable
The method Value.valueOrNull() is marked as NonNull, this fixes that and marks it as Nullable
@@ -237,7 +237,7 @@ public interface Value extends Iterable<Value> {
*
* @return Convert this value to String (if possible) or <code>null</code> when missing.
*/
- @Nonnull default String valueOrNull() {
+ @Nullable default String valueOrNull() {
return value((String) null);
}
