@NotNull
  public static List<IProperty> findPropertiesByKey(@NotNull final Project project, @NotNull final String key) {
    GlobalSearchScope scope = GlobalSearchScope.allScope(project);
    List<IProperty> properties = new ArrayList<>(PropertyKeyIndex.getInstance().getProperties(key, project, scope));
    final Set<VirtualFile> files = new HashSet<>();
    FileBasedIndex.getInstance().processValues(XmlPropertiesIndex.NAME, new XmlPropertiesIndex.Key(key), null, (file, value) -> {
      if (files.add(file)) {
        PsiFile psiFile = PsiManager.getInstance(project).findFile(file);
        if (psiFile != null) {
          PropertiesFile propertiesFile = XmlPropertiesFileImpl.getPropertiesFile(psiFile);
          if (propertiesFile != null) {
            properties.addAll(propertiesFile.findPropertiesByKey(key));
          }
        }
      }
      return true;
    }, scope);
    return properties;
  }
@NotNull
  public static List<IProperty> findPropertiesByKey(@NotNull final Project project, @NotNull final String key)