- /**
- * These are vectors towards concrete instantiations of this type -- i.e. the manifestation in the effective data
- * tree. Each item in this list represents either:
- * <ul>
- * <li>a concrete instantiation, or<li>
- * <li>another {@link GroupingRuntimeType}</li>
- * </ul>
- * We use these vectors to create {@link #instantiations()}.
- */
- private final @Nullable Object instantiationVectors;