oh dear

Assembly-CSharp/BestHTTP/Caching/HTTPCacheFileLock.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading;
+using Cpp2IlInjected;
+
+namespace BestHTTP.Caching
+{
+	// Token: 0x02001FC2 RID: 8130
+	[Token(Token = "0x2001FC2")]
+	internal sealed class HTTPCacheFileLock
+	{
+		// Token: 0x0600CE68 RID: 52840 RVA: 0x002F8168 File Offset: 0x002F6368
+		[Token(Token = "0x600CE68")]
+		[Address(RVA = "0xAA4CA0", Offset = "0xAA3AA0", VA = "0x180AA4CA0")]
+		internal static object Acquire(Uri uri)
+		{
+			int num;
+			do
+			{
+				num = 0;
+				object syncRoot = HTTPCacheFileLock.SyncRoot;
+				int num2 = 0;
+				if (!HTTPCacheFileLock.FileLocks.TryGetValue(uri, num2))
+				{
+					Dictionary<Uri, object> fileLocks = HTTPCacheFileLock.FileLocks;
+					object obj = new object();
+					fileLocks.Add(uri, obj);
+				}
+				Monitor.Exit(syncRoot);
+			}
+			while (num != 0);
+			throw new NullReferenceException();
+		}
+
+		// Token: 0x0600CE69 RID: 52841 RVA: 0x002F81BC File Offset: 0x002F63BC
+		[Token(Token = "0x600CE69")]
+		[Address(RVA = "0xAA4F80", Offset = "0xAA3D80", VA = "0x180AA4F80")]
+		internal static void Remove(Uri uri)
+		{
+			object syncRoot = HTTPCacheFileLock.SyncRoot;
+			Dictionary<Uri, object> fileLocks = HTTPCacheFileLock.FileLocks;
+			throw new NullReferenceException();
+		}
+
+		// Token: 0x0600CE6A RID: 52842 RVA: 0x002F8204 File Offset: 0x002F6404
+		[Token(Token = "0x600CE6A")]
+		[Address(RVA = "0xAA4E60", Offset = "0xAA3C60", VA = "0x180AA4E60")]
+		internal static void Clear()
+		{
+			int num;
+			do
+			{
+				num = 0;
+				object syncRoot = HTTPCacheFileLock.SyncRoot;
+				HTTPCacheFileLock.FileLocks.Clear();
+				Monitor.Exit(syncRoot);
+			}
+			while (num != 0);
+		}
+
+		// Token: 0x0600CE6B RID: 52843 RVA: 0x002F8234 File Offset: 0x002F6434
+		[Token(Token = "0x600CE6B")]
+		[Address(RVA = "0x3F5100", Offset = "0x3F3F00", VA = "0x1803F5100")]
+		public HTTPCacheFileLock()
+		{
+		}
+
+		// Token: 0x040083FE RID: 33790
+		[Token(Token = "0x40083FE")]
+		private static Dictionary<Uri, object> FileLocks = new Dictionary();
+
+		// Token: 0x040083FF RID: 33791
+		[Token(Token = "0x40083FF")]
+		private static object SyncRoot = new object();
+	}
+}