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