Example shared-api client and consumer for both header and path versioning

public class FooClient {
      private static final String CLIENT_ID = BackendClients.FOO.id;

      static final String DOWORK_PATH = "/do-work"; // existing header versioning
      static final String DOWORK_V2_PATH = "/v2/do-work"; // new version of existing endpoint path versioning
      static final String DOOTHERWORK_V1_PATH = "/v1/do-other-work"; // new endpoint path versioning


      private final DynamicHoneycombClient client;
      // TO BE DEPRECATED
      private final FooApiVersion apiVersion;
      private final String host;

      // TO BE DEPRECATED: existing constructor with header versioning
      public FooClient(String host,
                        DynamicHoneycombClient honeycombClient,
                        FooApiVersion apiVersion) {
        this.host = host;
        this.client = honeycombClient;
        this.apiVersion = apiVersion;
      }

      // new constructor, version agnostic
      public FooClient(String host,
                        DynamicHoneycombClient honeycombClient) {
        this.host = host;
        this.client = honeycombClient;
        this.apiVersion = apiVersion;
      }

      // TO BE DEPRECATED: existing endpoint with header versioning
      public void doWork(Object request) {
            String response =
                sendRequest(DOWORK_PATH, HttpVerb.POST, apiVersion.getValue(), request);
      }


      // new version of existing endpoint with path versioning
      public void doWorkV2(Object request) {
            String response =
                sendRequest(DOWORK_V2_PATH, HttpVerb.POST, request);
      }

      // new endpoint (v1) with path versioning
      public void doOtherWorkV1(Object request) {
            String response =
                sendRequest(DOOTHERWORK_V1_PATH, HttpVerb.POST, request);
      }

}

/* BarService consuming FooClient */

// TO BE DEPRECATED: existing client autowire
  @Bean
  public FooClient fooClient() {
    return new FooClient(fooHost, dynamicHoneycombClient, FooApiVersion.V1);
  }

// new client autowire for path versioning
  @Bean
  public FooClient fooClientWithPathVersioning() {
    return new FooClient(fooHost, dynamicHoneycombClient);
  }

// TO BE DEPRECATED: existing call to doWork v1
 fooClient.doWork(request);

 // new call to doWork v2
 fooClientWithPathVersioning.doWorkV2(request);

 // new call to doOtherWork v1
 fooClientWithPathVersioning.doOtherWorkV1(request);