Revise paste 276e4f3d1651f

import io.vertx.core.Future;
import io.vertx.core.Vertx;
import io.vertx.core.http.HttpMethod;
import io.vertx.core.http.HttpServer;
import io.vertx.core.json.JsonObject;
import io.vertx.ext.web.Route;
import io.vertx.ext.web.Router;
import io.vertx.ext.web.client.WebClient;

import java.util.concurrent.atomic.AtomicReference;

public class NotMigrator {
    final private static int PORT_TDG = 8181;
    final private static int PORT_MY = 8080;
    final private static String HOST = "localhost";
    final private static String TOKEN = "9f226286-e0d8-4125-ad43-b123b4e464da";
    final private static String TYPE = "application/json;charset=utf-8";
    final private static String PATH = "/api/migrate/graphql";

public static void main(String[] args) throws Exception {
        Vertx vertx = Vertx.vertx();
        HttpServer server = vertx.createHttpServer();
        Router router = Router.router(vertx);
        WebClient client = WebClient.create(vertx);

router
                .get(PATH)
                .respond(ctx -> Future.succeededFuture(new JsonObject().put("hello", "world")));

server.requestHandler(router).listen(8080);
    }

public void get(WebClient client) {
        client
                .post(PORT_TDG, HOST, "/graphql")
                .putHeader("Content-Type", "application/json")
                .sendJsonObject(
                        new JsonObject()
                                .put("query", "{Book(first: 100) { uuid, book_name, author }}")
                )
                .onSuccess(res -> {
                    if (res.statusCode() == 200 &&
                            res.getHeader("content-type").equals(TYPE)) {
                        JsonObject body = res.bodyAsJsonObject();
                        //объект json
                    }
                });
    }
}