code: public WebServiceTemplateBuilder setTransformerFactoryClass(
  			Class<? extends TransformerFactory> transformerFactoryClass) {
  		return new WebServiceTemplateBuilder(this.detectHttpMessageSender,
  				this.interceptors, this.internalCustomizers, this.customizers,
  				this.messageSenders, this.marshaller, this.unmarshaller,
  				this.destinationProvider, transformerFactoryClass, this.messageFactory);
  	}
docs: Set the {@link TransformerFactory} implementation to use.
  @param transformerFactoryClass the transformer factory implementation to use
  @return a new builder instance.
  @see WebServiceTemplate#setTransformerFactoryClass(Class)