public static Iterable<String> getOnX(@NotNull PsiAnnotation psiAnnotation, @NotNull String parameterName) {
    Collection<String> oldOnX = getOldOnX(psiAnnotation, parameterName);
    Collection<String> newOnX = getNewOnX(psiAnnotation, parameterName + "_");
    return ContainerUtil.concat(oldOnX, newOnX);
  }
public static Iterable<String> getOnX(@NotNull PsiAnnotation psiAnnotation, @NotNull String parameterName)