docs: @BetaApi
    public final Policy setIamPolicyDisk(
        ProjectZoneDiskResourceName resource, ZoneSetPolicyRequest zoneSetPolicyRequestResource) {
  
      SetIamPolicyDiskHttpRequest request =
          SetIamPolicyDiskHttpRequest.newBuilder()
              .setResource(resource == null ? null : resource.toString())
              .setZoneSetPolicyRequestResource(zoneSetPolicyRequestResource)
              .build();
      return setIamPolicyDisk(request);
    }