code: public String createQueryStringFromNode(Node node, @Nullable Class<?> domainType) {
  		return createQueryStringFromNode(node, 0, domainType);
  	}
docs: Create the plain query string representation of the given node using mapping information derived from the domain
  type.
  
  @param node
  @param domainType can be {@literal null}.
  @return
  @since 4.0