@NotNull
  public static String getQualifiedNameAfterRename(String qName, @NotNull String newName) {
    if (qName == null) return newName;
    int index = qName.lastIndexOf('.');
    return index < 0 ? newName : qName.substring(0, index + 1) + newName;
  }
@NotNull
  public static String getQualifiedNameAfterRename(String qName, @NotNull String newName)