* @return {@link TransformerFactoryConfig}.
* @throws ConfigurationException
*/
private TransformerFactoryConfig createConfig(final ConfigTree config) throws ConfigurationException
{
final Builder builder = new TransformerFactoryConfig.Builder(config.getRequiredAttribute("templateFile"));
extractFeatures(config, builder);
extractAttributes(config, builder);
createUrlResolver(config, builder);
builder.resultType(ResultType.valueOf(config.getAttribute("resultType", ResultType.STRING.name())));
return builder.build();
}