if (dataMap.remove(getParamValue(paramMap, "field.max_depth", "max_depth")) instanceof final String maxDepth
                && StringUtil.isNotBlank(maxDepth)) {
            try {
                return Integer.parseInt(maxDepth);
            } catch (final NumberFormatException e) {
                if (logger.isDebugEnabled()) {
                    logger.warn("Failed to parse {}", maxDepth, e);
                } else {