/**
  * Given an error message produced by this lint detector, returns the new value to be put into the
  * source code.
  *
  * <p>Intended for IDE quickfix implementations.
  *
  * @param errorMessage the error message associated with the error
  * @param format the format of the error message
  * @return the corresponding new value, or null if not recognized
  */
 @Nullable
 public static String getNewValue(@NonNull String errorMessage, @NonNull TextFormat format) {
   errorMessage = format.toText(errorMessage);
   String attribute = LintUtils.findSubstring(errorMessage, " should use ", " ");
   if (attribute == null) {
     attribute = LintUtils.findSubstring(errorMessage, " should use ", null);
   }
   return attribute;
 }
  /**
   * Given an error message produced by this lint detector, returns the old value to be replaced in
   * the source code.
   *
   * <p>Intended for IDE quickfix implementations.
   *
   * @param errorMessage the error message associated with the error
   * @param format the format of the error message
   * @return the corresponding old value, or null if not recognized
   */
  @Nullable
  public static String getOldValue(@NonNull String errorMessage, @NonNull TextFormat format) {
    errorMessage = format.toText(errorMessage);
    String attribute = LintUtils.findSubstring(errorMessage, " should use ", " ");
    if (attribute == null) {
      attribute = LintUtils.findSubstring(errorMessage, " should use ", null);
    }
    if (attribute != null) {
      int index = attribute.indexOf(':');
      if (index != -1) {
        return ANDROID_NS_NAME + attribute.substring(index);
      }
    }

    return null;
  }