code: @Override
  	public String getAvailableVariant(String variant, VariantSet variantSet) {
  
  		String connectionType = variantSet.getDefaultVariant();
  		if (variantSet.contains(variant)) {
  			connectionType = variant;
  		}
  
  		return connectionType;
  	}
docs: /*
  (non-Javadoc)
  
  @see
  net.jawr.web.resource.bundle.variant.VariantResolver#getAvailableVariant(
  java.lang.String, net.jawr.web.resource.bundle.variant.VariantSet)