make new types internal

Author: Alex Peck

BitFaster.Caching/Lfu/EventPolicy.cs

@@ -10,7 +10,7 @@ namespace BitFaster.Caching.Lfu
     /// <typeparam name="K">The type of the Key</typeparam>
     /// <typeparam name="V">The type of the value</typeparam>
     [DebuggerDisplay("Upd = {Updated}, Evict = {Evicted}")]
-    public struct EventPolicy<K, V> : IEventPolicy<K, V>
+    internal struct EventPolicy<K, V> : IEventPolicy<K, V>
         where K : notnull
     {
         private object eventSource;

BitFaster.Caching/Lfu/IEventPolicy.cs

@@ -6,7 +6,7 @@ namespace BitFaster.Caching.Lfu
     /// </summary>
     /// <typeparam name="K">The type of the key.</typeparam>
     /// <typeparam name="V">The type of the value.</typeparam>
-    public interface IEventPolicy<K, V> : ICacheEvents<K, V>
+    internal interface IEventPolicy<K, V> : ICacheEvents<K, V>
         where K : notnull
     {
         /// <summary>

BitFaster.Caching/Lfu/NoEventPolicy.cs

@@ -9,7 +9,7 @@ namespace BitFaster.Caching.Lfu
     /// </summary>
     /// <typeparam name="K">The type of the key.</typeparam>
     /// <typeparam name="V">The type of the value.</typeparam>
-    public struct NoEventPolicy<K, V> : IEventPolicy<K, V>
+    internal struct NoEventPolicy<K, V> : IEventPolicy<K, V>
         where K : notnull
     {
         ///<inheritdoc/>