Umbraco-CMS/src/Umbraco.Web/Cache/DistributedCacheBinderComposer.cs

using Umbraco.Core;
using Umbraco.Core.Components;
using Umbraco.Core.Composing;

namespace Umbraco.Web.Cache
{
    /// <summary>
    /// Installs listeners on service events in order to refresh our caches.
    /// </summary>
    [RuntimeLevel(MinLevel = RuntimeLevel.Run)]
    [ComposeBefore(typeof(ICoreComposer))] // runs before every other IUmbracoCoreComponent!
    public sealed class DistributedCacheBinderComposer : ICoreComposer
    {
        public void Compose(Composition composition)
        {
            composition.RegisterUnique<IDistributedCacheBinder, DistributedCacheBinder>();
            composition.Components().Append<DistributedCacheBinderComponent>();
        }
    }
}