code: private void validate(ClientDescriptor clientDescriptor, ValidateStoreManager message) throws ClusterException {
      ehcacheStateService.validate(message.getConfiguration());
    }
docs: Handles the {@link ValidateStoreManager ValidateStoreManager} message.  This message is used by a client to
  connect to an established {@code ClusterTierManagerActiveEntity}.  This method validates the client-provided configuration
  against the existing configuration to ensure compatibility.
  
  @param clientDescriptor the client identifier requesting attachment to a configured store manager
  @param message the {@code ValidateStoreManager} message carrying the client expected resource pool configuration