docs: public static String getJvmVersion() {
  		try {
  			final RuntimeMXBean bean = ManagementFactory.getRuntimeMXBean();
  			return bean.getVmName() + " - " + bean.getVmVendor() + " - " + bean.getSpecVersion() + '/' + bean.getVmVersion();
  		}
  		catch (Throwable t) {
  			return UNKNOWN;
  		}
  	}