docs: public Observable<ServiceResponse<AccessUriInner>> grantAccessWithServiceResponseAsync(String resourceGroupName, String diskName, GrantAccessData grantAccessData) {
          if (this.client.subscriptionId() == null) {
              throw new IllegalArgumentException("Parameter this.client.subscriptionId() is required and cannot be null.");
          }
          if (resourceGroupName == null) {
              throw new IllegalArgumentException("Parameter resourceGroupName is required and cannot be null.");
          }
          if (diskName == null) {
              throw new IllegalArgumentException("Parameter diskName is required and cannot be null.");
          }
          if (this.client.apiVersion() == null) {
              throw new IllegalArgumentException("Parameter this.client.apiVersion() is required and cannot be null.");
          }
          if (grantAccessData == null) {
              throw new IllegalArgumentException("Parameter grantAccessData is required and cannot be null.");
          }
          Validator.validate(grantAccessData);
          Observable<Response<ResponseBody>> observable = service.grantAccess(this.client.subscriptionId(), resourceGroupName, diskName, this.client.apiVersion(), grantAccessData, this.client.acceptLanguage(), this.client.userAgent());
          return client.getAzureClient().getPostOrDeleteResultAsync(observable, new TypeToken<AccessUriInner>() { }.getType());
      }