code: public LoadZone getLoadZone(String id) {
          return invoke(LOAD_ZONES, id, null, null,
                  new RequestClosure<JsonArray>() {
                      @Override
                      public JsonArray call(Invocation.Builder request) {
                          return request.get(JsonArray.class);
                      }
                  },
                  new ResponseClosure<JsonArray, LoadZone>() {
                      @Override
                      public LoadZone call(JsonArray json) {
                          return LoadZone.valueOf(json.getJsonObject(0));
                      }
                  }
          );
      }
docs: Retrieves a load-zone.
  
  @param id its id
  @return {@link com.loadimpact.resource.LoadZone}