public ResourceBundle combineToResourceBundleAndGet(final @NotNull List<? extends PropertiesFile> propertiesFiles, final String baseName) {
    combineToResourceBundle(propertiesFiles, baseName);
    return propertiesFiles.get(0).getResourceBundle();
  }
public ResourceBundle combineToResourceBundleAndGet(final @NotNull List<? extends PropertiesFile> propertiesFiles, final String baseName)