/** {@inheritDoc} */
 @Override
 public void apply() {
   try {
     applyx();
   } catch (IgniteCheckedException ex) {
     throw F.wrap(ex);
   }
 }
 /** {@inheritDoc} */
 @Override
 public T apply() {
   try {
     return applyx();
   } catch (IgniteCheckedException e) {
     throw F.wrap(e);
   }
 }