private @Nullable AnnotationPackageSupport findAnnotationSupport(String name) {
    AnnotationPackageSupport support = myDefaultUnknowns.get(name);
    if (support == null) {
      support = myDefaultNotNulls.get(name);
      if (support == null) {
        support = myDefaultNullables.get(name);
      }
    }
    return support;
  }
private @Nullable AnnotationPackageSupport findAnnotationSupport(String name)