@Override
public ServiceDescriptor getDescriptor() {
Builder builder = ServiceDescriptor.builder(strings);
builder.id(id);
builder.name("UsernamePasswordAuthenticator.name").description("UsernamePasswordAuthenticator.description");
builder.attribute(builder.newAttribute().id("attr").name("UsernamePasswordAuthenticator.attr")
.description("UsernamePasswordAuthenticator.attr.description")
.defaultValue("${connectorName.atr.defaultValue}")
.required()
.build());
return builder.build();