ASSERT_EQ(error::INVALID_ARGUMENT, another_cc_status.code());
  // Ensure the payloads are not lost during conversions
  ASSERT_EQ(cc_status.GetPayload("key1"), another_cc_status.GetPayload("key1"));
  ASSERT_EQ(cc_status.GetPayload("key2"), another_cc_status.GetPayload("key2"));
  TSL_DeleteStatus(s);
}

}  // namespace

 */
public class BuildEvent extends Message {
    private final Object payload;

    public BuildEvent(Object payload) {
        this.payload = payload;
    }

    public Object getPayload() {
        return payload;
    }

    @Override
    public String toString() {
        return getClass().getSimpleName() + "[event=" + payload + "]";
    }

}

func (m *WorkloadRequest) GetPayload() isWorkloadRequest_Payload {
	if m != nil {
		return m.Payload
	}
	return nil
}

func (x *WorkloadRequest) GetAdd() *AddWorkload {
	if x, ok := x.GetPayload().(*WorkloadRequest_Add); ok {
		return x.Add
	}
	return nil
}

func (x *WorkloadRequest) GetKeep() *KeepWorkload {
	if x, ok := x.GetPayload().(*WorkloadRequest_Keep); ok {
		return x.Keep

	l.growExtAttrBitmaps()
	return pi
}

// getPayload returns a pointer to the extSymPayload struct for an
// external symbol if the symbol has a payload. Will panic if the
// symbol in question is bogus (zero or not an external sym).
func (l *Loader) getPayload(i Sym) *extSymPayload {
	if !l.IsExternal(i) {
		panic(fmt.Sprintf("bogus symbol index %d in getPayload", i))
	}
	pi := l.extIndex(i)
	return l.payloads[pi]
}

                    outputEventListener.onOutput(((OutputMessage) object).getEvent());
                } else if (object instanceof BuildEvent) {
                    buildEventConsumer.dispatch(((BuildEvent) object).getPayload());
                } else {
                    return object;
                }
            }
        } finally {
            // Stop cancelling before sending end-of-input

        @Override
        public void write(Encoder encoder, BuildEvent buildEvent) throws Exception {
            payloadSerializer.write(encoder, buildEvent.getPayload());
        }

        @Override
        public BuildEvent read(Decoder decoder) throws Exception {
            return new BuildEvent(payloadSerializer.read(decoder));
        }
    }

  TF_ForEachPayload(
      tf_status,
      [](const char* key, const char* value, void* capture) {
        absl::Status* status = static_cast<absl::Status*>(capture);
        status->SetPayload(key, absl::Cord(absl::string_view(value)));
      },
      &status);
  return status;
}

  device_memory_base.payload = mem->payload();
  return device_memory_base;
}

DeviceMemoryBase DeviceMemoryBaseFromC(const SP_DeviceMemoryBase& mem) {
  DeviceMemoryBase base(mem.opaque, mem.size);
  base.SetPayload(mem.payload);
  return base;
}

// Wrapper that allows passing std::function across C API.
struct HostCallbackContext {
  absl::AnyInvocable<absl::Status() &&> callback;
};