} else if ("buildNumber".equalsIgnoreCase(node.getNodeName())) {
                        buildNumber = node.getTextContent();
                    }
                }
            }
        }
        if (StringUtil.isNotBlank(timestamp) && StringUtil.isNotBlank(buildNumber)) {
            return timestamp + "-" + buildNumber;
        }
        return null;
    }

    /**

        String snapshotXml = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n" + "<metadata>\n" + "  <snapshot>\n"
                + "    <timestamp>20180814.210714</timestamp>\n" + "    <buildNumber>10</buildNumber>\n" + "  </snapshot>\n"
                + "</metadata>";

        PluginHelper testHelper = new PluginHelper() {
            @Override
            protected String getRepositoryContent(String url) {