public async Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context, CancellationToken cancellationToken = default)
        {
            await index.CountAsync();

            return(HealthCheckResult.Healthy("Orleans must establish communication."));
        }
        public async Task <HealthCheckResult> CheckHealthAsync(CancellationToken cancellationToken = default(CancellationToken))
        {
            await index.CountAsync();

            return(new HealthCheckResult(true));
        }