buf.append('\"').append(StringEscapeUtils.escapeJson(obj.toString())).append('\"');
        }
        return buf.toString();
    }

    public void setMimeType(final String mimeType) {
        this.mimeType = mimeType;
    }

    default boolean isHtmlMimetypeForCache(final String mimetype) {
        final String[] mimetypes = getCrawlerDocumentCacheHtmlMimetypes().split(",");
        if (mimetypes.length == 1 && StringUtil.isBlank(mimetypes[0])) {
            return true;
        }
        return stream(mimetypes).get(stream -> stream.anyMatch(s -> s.equalsIgnoreCase(mimetype)));
    }

    String getCrawlerDocumentCacheSupportedMimetypes();

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          "displayMode": "table",
          "placement": "bottom",
          "showLegend": true,
          "values": [
            "percent"
          ]
        },
        "pieType": "donut",
        "reduceOptions": {
          "calcs": [
            "lastNotNull"
          ],
          "fields": "",
          "values": false
        },
        "tooltip": {