code: @Override
  	public Map<String, String> nextVariantMapConbination() {
  
  		Map<String, String> variantMap = null;
  		if (variantMapStrategyIterator.hasNext()) {
  			variantMap = variantMapStrategyIterator.next();
  		}
  		return variantMap;
  	}
docs: /*
  (non-Javadoc)
  
  @see net.jawr.web.resource.bundle.generator.variant.
  VariantResourceProviderStrategy#getNextVariantMapConbination()