docs: private void scanJar(JarFile jar) {
  		String name;
  		for (JarEntry entry : new EnumerationIter<>(jar.entries())) {
  			name = StrUtil.removePrefix(entry.getName(), StrUtil.SLASH);
  			if (name.startsWith(this.packagePath)) {
  				if (name.endsWith(FileUtil.CLASS_EXT) && false == entry.isDirectory()) {
  					final String className = name//
  							.substring(0, name.length() - 6)//
  							.replace(CharUtil.SLASH, CharUtil.DOT);//
  					addIfAccept(loadClass(className));
  				}
  			}
  		}
  	}