code: protected void bindElementDescription(BindingFactory factory, CodeElementExtractor.ElementDescription... descriptions) {
  		for (final CodeElementExtractor.ElementDescription description : descriptions) {
  			bindTypeReferences(factory,
  					description.getBuilderInterfaceType(),
  					description.getBuilderImplementationType(),
  					description.getBuilderCustomImplementationType());
  		}
  	}
docs: Binds the given descriptions according to the standard policy.
  
  <p>If an custom implementation is defined, it is binded to. Otherwise, the default implementation
  is binded.
  
  @param factory the binding factory to use for creating the bindings.
  @param descriptions the descriptions to bind to.