private static boolean containsConflictingClassName(String fqName, PsiJavaFile file) {
    final String shortName = ClassUtil.extractClassName(fqName);
    final PsiClass[] classes = file.getClasses();
    for (PsiClass aClass : classes) {
      if (shortName.equals(aClass.getName()) && !fqName.equals(aClass.getQualifiedName())) {
        return true;
      }
    }
    return false;
  }
private static boolean containsConflictingClassName(String fqName, PsiJavaFile file)