docs: private Set<String> checkPreResolvedExistAndSetFullName(Set<String> preResolved, SelectionContext selectionContext) {
          Set<String> preResolvedSymbolicNames = new LinkedHashSet<String>(preResolved.size());
          for (String preResolvedFeatureName : preResolved) {
              ProvisioningFeatureDefinition preResolvedDef = selectionContext.getRepository().getFeature(preResolvedFeatureName);
              if (preResolvedDef == null) {
                  return Collections.emptySet();
              } else {
                  preResolvedSymbolicNames.add(preResolvedDef.getSymbolicName());
              }
          }
          return preResolvedSymbolicNames;
      }