code: public void addJarsToIndex(final String folderPath) {
  
  		logger.info("Starting adding jar files in " + folderPath);
  
  		final CombinedTypeSolver typeSolver = new CombinedTypeSolver();
  		typeSolver.add(new ReflectionTypeSolver());
  
  		final AtomicLong count = new AtomicLong(0);
  
  		try {
  			Files.newDirectoryStream(Paths.get(folderPath), path -> path.toString().endsWith(".jar")).forEach((file) -> {
  				try {
  					typeSolver.add(new JarTypeSolver(new FileInputStream(file.toFile())));
  					count.addAndGet(1L);
  
  				} catch (IOException ex) {}
  			}
docs: Add compilation units of all jar files found in the given folder to the index.
  
  @param folderPath