docs: private Version getProductVersion(File wlpInstallationDirectory) throws VersionParsingException {
          // First get the properties
          Map<String, ProductInfo> productProperties = VersionUtils.getAllProductInfo(wlpInstallationDirectory);
  
          // Get the properties for WAS
          ProductInfo wasProperties = productProperties.get("com.ibm.websphere.appserver");
          if (wasProperties == null) {
              throw new VersionParsingException(getMessage("compare.no.was.properties.found"));
          }
  
          Version version = convertVersion(wasProperties);
  
          return version;
      }