// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Threading;
using System.Threading.Tasks;
 
namespace Microsoft.Extensions.Hosting.Internal
{
    /// <summary>
    /// Minimalistic lifetime that does nothing.
    /// </summary>
    internal sealed class NullLifetime : IHostLifetime
    {
        public Task WaitForStartAsync(CancellationToken cancellationToken)
        {
            return Task.CompletedTask;
        }
 
        public Task StopAsync(CancellationToken cancellationToken)
        {
            return Task.CompletedTask;
        }
    }
}