@Override
  public boolean equals(Object o) {
    if (this == o) return true;
    if (o == null || getClass() != o.getClass()) return false;
    JAXBContextPackageCacheKey that = (JAXBContextPackageCacheKey) o;
    return packageName.equals(that.packageName) && classLoader.equals(that.classLoader);
  }
Encapsulate data used to build the cache key of JAXBContext when created using package mode.
jaxb/src/main/java/feign/jaxb/JAXBContextPackageCacheKey.java