@java.lang.Override
    @java.lang.SuppressWarnings("unchecked")
    public void invoke(Req request, io.grpc.stub.StreamObserver<Resp> responseObserver) {
      switch (methodId) {
        case METHODID_HEALTH_CHECK:
          serviceImpl.healthCheck(
              (com.google.cloud.visionai.v1.HealthCheckRequest) request,
              (io.grpc.stub.StreamObserver<com.google.cloud.visionai.v1.HealthCheckResponse>)
                  responseObserver);
          break;
        default:
          throw new AssertionError();
      }
    }
<pre>
HealthCheck method checks the health status of the cluster.
</pre>
java-visionai/grpc-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/HealthCheckServiceGrpc.java