/** {@inheritDoc} */
  @Nullable
  @Override
  public GridDeployment explicitDeploy(Class<?> cls, ClassLoader clsLdr) throws GridException {
    if (log.isDebugEnabled())
      log.debug("Ignoring explicit deploy [cls=" + cls + ", clsLdr=" + clsLdr + ']');

    return null;
  }
 /** {@inheritDoc} */
 @Override
 public void onKernalStart() throws GridException {
   if (log.isDebugEnabled()) log.debug("Ignoring kernel started callback: " + this);
 }