Fixes IPublishedShapshot and friends

src/Umbraco.Web/PublishedCache/IPublishedSnapshot.cs

@@ -0,0 +1,54 @@
+using System;
+using Umbraco.Core.Cache;
+
+namespace Umbraco.Web.PublishedCache
+{
+    /// <summary>
+    /// Specifies a published snapshot.
+    /// </summary>
+    /// <remarks>A published snapshot is a point-in-time capture of the current state of
+    /// everything that is "published".</remarks>
+    public interface IPublishedSnapshot
+    {
+        /// <summary>
+        /// Gets the <see cref="IPublishedContentCache"/>.
+        /// </summary>
+        IPublishedContentCache Content { get; }
+
+        /// <summary>
+        /// Gets the <see cref="IPublishedMediaCache"/>.
+        /// </summary>
+        IPublishedMediaCache Media { get; }
+
+        /// <summary>
+        /// Gets the <see cref="IPublishedMemberCache"/>.
+        /// </summary>
+        IPublishedMemberCache Members { get; }
+
+        /// <summary>
+        /// Gets the <see cref="IDomainCache"/>.
+        /// </summary>
+        IDomainCache Domains { get; }
+
+        /// <summary>
+        /// Gets the snapshot-level cache.
+        /// </summary>
+        ICacheProvider SnapshotCache { get; }
+
+        /// <summary>
+        /// Gets the elements-level cache.
+        /// </summary>
+        ICacheProvider ElementsCache { get; }
+
+        /// <summary>
+        /// Forces the preview mode.
+        /// </summary>
+        /// <param name="preview">The forced preview mode.</param>
+        /// <param name="callback">A callback to execute when reverting to previous preview.</param>
+        /// <remarks>
+        /// <para>Forcing to false means no preview. Forcing to true means 'full' preview if the snapshot is not already previewing;
+        /// otherwise the snapshot keeps previewing according to whatever settings it is using already.</para>
+        /// <para>Stops forcing preview when disposed.</para></remarks>
+        IDisposable ForcedPreview(bool preview, Action<bool> callback = null);
+    }
+}