public static List<VirtualFile> additionalScopeFiles(@NotNull GroovyFile file) {
    final Module module = ModuleUtilCore.findModuleForPsiElement(file);
    if (module != null) {
      final String sdkHome = GantUtils.getSdkHomeFromClasspath(module);
      if (sdkHome != null) {
        return Collections.emptyList();
      }
    }

    final GantSettings gantSettings = GantSettings.getInstance(file.getProject());
    final VirtualFile home = gantSettings.getSdkHome();
    if (home == null) {
      return Collections.emptyList();
    }

    return gantSettings.getClassRoots();
  }
public static List<VirtualFile> additionalScopeFiles(@NotNull GroovyFile file)