public void combineToResourceBundle(final @NotNull List<? extends PropertiesFile> propertiesFiles, final String baseName) {
    if (propertiesFiles.isEmpty()) {
      throw new IllegalStateException();
    }
    myState.getCustomResourceBundles()
      .add(new CustomResourceBundleState().addAll(ContainerUtil.map(propertiesFiles, file -> file.getVirtualFile().getUrl())).setBaseName(baseName));
  }
public void combineToResourceBundle(final @NotNull List<? extends PropertiesFile> propertiesFiles, final String baseName)