/** {@inheritDoc} */
 @Override
 public String toString() {
   return S.toString(GridCacheEvictionRequest.class, this);
 }
 /** {@inheritDoc} */
 @Override
 public String toString() {
   return S.toString(GridCacheQueryResponse.class, this);
 }
 /** {@inheritDoc} */
 @Override
 public String toString() {
   return S.toString(GridDhtUnlockRequest.class, this);
 }
 /** {@inheritDoc} */
 @Override
 public String toString() {
   return S.toString(GridClientHandshakeResponseWrapper.class, this);
 }