private static boolean hasDefaultImportConflict(String fqName, PsiJavaFile file) {
    final String shortName = ClassUtil.extractClassName(fqName);
    final String packageName = ClassUtil.extractPackageName(fqName);
    final String filePackageName = file.getPackageName();
    if (filePackageName.equals(packageName)) {
      return false;
    }
    final Project project = file.getProject();
    final JavaPsiFacade psiFacade = JavaPsiFacade.getInstance(project);
    final PsiPackage filePackage = psiFacade.findPackage(filePackageName);
    return filePackage != null && filePackage.containsClassNamed(shortName);
  }
private static boolean hasDefaultImportConflict(String fqName, PsiJavaFile file)