/**
  * Gets data configuration for a cache with specified name.
  *
  * @param name Name of grid cache.
  * @return Configuration or {@code null} if there is not configuration for specified name.
  */
 public GridClientDataConfiguration getDataConfiguration(@Nullable String name) {
   return dataCfgs.get(name);
 }
 /**
  * Gets a collection of data configurations specified by user.
  *
  * @return Collection of data configurations (possibly empty).
  */
 public Collection<GridClientDataConfiguration> getDataConfigurations() {
   return dataCfgs.values();
 }