@Override
    public VerticleType verticleType() {
        return VERTICLE_TYPE;
    }
API verticle provides the Gateway API RESTful API. Config is validated and pushed into the registry
component; hence, if a distributed component such as ElasticSearch is used, this is shared across all nodes
extending {@link ApimanVerticleWithEngine}.

@author Marc Savy {@literal <msavy@redhat.com>}
gateway/platforms/vertx3/vertx3/src/main/java/io/apiman/gateway/platforms/vertx3/verticles/ApiVerticle.java