docs: private File buildWar(List<ArtifactOrFile> classPathEntries) {
          try {
              List<String> classesUrls = classPathEntries.stream()
                      .map(ArtifactOrFile::file)
                      .filter(this::isDirectory)
                      .filter(url -> url.contains("classes"))
                      .collect(Collectors.toList());
  
              List<File> classpathJars = classPathEntries.stream()
                      .map(ArtifactOrFile::file)
                      .filter(file -> file.endsWith(".jar"))
                      .map(File::new)
                      .collect(Collectors.toList());
  
              return WarBuilder.build(classesUrls, classpathJars);
          } catch (IOException e) {
              throw new RuntimeException("failed to build war", e);
          }
      }