private static @NotNull Element writeScope(@NotNull NamedScope scope) {
    Element setElement = new Element(SCOPE_TAG);
    setElement.setAttribute(NAME_ATT, scope.getScopeId());
    PackageSet packageSet = scope.getValue();
    setElement.setAttribute(PATTERN_ATT, packageSet != null ? packageSet.getText() : "");
    return setElement;
  }
private static @NotNull Element writeScope(@NotNull NamedScope scope)