public void start(ExtensionPointRegistry registry) {
DataBindingExtensionPoint dataBindings = registry.getExtensionPoint(DataBindingExtensionPoint.class);
TransformerExtensionPoint transformers = registry.getExtensionPoint(TransformerExtensionPoint.class);
MediatorImpl mediator = new MediatorImpl(dataBindings, transformers);
Input2InputTransformer input2InputTransformer = new Input2InputTransformer();
input2InputTransformer.setMediator(mediator);
transformers.addTransformer(input2InputTransformer, true);
Output2OutputTransformer output2OutputTransformer = new Output2OutputTransformer();
output2OutputTransformer.setMediator(mediator);
transformers.addTransformer(output2OutputTransformer, true);