@Override
  public String toString() {
    return getClass().getName() + "@" + System.identityHashCode(this) + "{"
        + "excludeTCCL=" + excludeTCCL
        + ", jarDeployer=" + jarDeploymentService
        + ", classLoaders=["
        + getClassLoaders().stream().map(ClassLoader::toString).collect(joining(", "))
        + "]}";
  }
See {@link Proxy#getProxyClass(ClassLoader, Class...)}
geode-deployment/geode-deployment-legacy/src/main/java/org/apache/geode/classloader/internal/LegacyClasspathServiceImpl.java