@Nullable
  public static LombokNullAnnotationLibrary parseCustom(String value) {
    if (StringUtil.toLowerCase(value).startsWith("custom:")) {
      String customConfigValue = value.substring("custom:".length());
      final boolean useType = StringUtil.toLowerCase(customConfigValue).startsWith("type_use:");
      if (useType) {
        customConfigValue = customConfigValue.substring("type_use:".length());
      }

      String nonNullAnnotation, nullableAnnotation = null;
      final int splitIndex = customConfigValue.indexOf(':');
      if (splitIndex == -1) {
        nonNullAnnotation = customConfigValue;
      }
      else {
        nonNullAnnotation = customConfigValue.substring(0, splitIndex);
        nullableAnnotation = customConfigValue.substring(splitIndex + 1);
      }

      if (verifyTypeName(nonNullAnnotation) &&
          (null == nullableAnnotation || verifyTypeName(nullableAnnotation))) {
        return new LombokNullAnnotationLibraryCustom(nonNullAnnotation, nullableAnnotation, useType);
      }
    }
    return null;
  }
@Nullable
  public static LombokNullAnnotationLibrary parseCustom(String value)