docs: @SuppressWarnings("rawtypes")
      public static @Nonnull
      TypeQualifierValue<?> getValue(ClassDescriptor desc, @CheckForNull  Object value) {
          DualKeyHashMap<ClassDescriptor, Object, TypeQualifierValue<?>> map = instance.get().typeQualifierMap;
          TypeQualifierValue<?> result = map.get(desc, value);
          if (result != null) {
              return result;
          }
          result = new TypeQualifierValue(desc, value);
          map.put(desc, value, result);
          instance.get().allKnownTypeQualifiers.add(result);
          return result;
      }