升级XR插件版本

Packages/com.unity.ide.trae@0231d4b833/Editor/Symbols.cs

@@ -0,0 +1,30 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+using System;
+using System.IO;
+
+namespace Microsoft.Unity.VisualStudio.Editor
+{
+	internal static class Symbols
+	{
+		public static bool IsPortableSymbolFile(string pdbFile)
+		{
+			try
+			{
+				using (var stream = File.OpenRead(pdbFile))
+				{
+					return stream.ReadByte() == 'B'
+						   && stream.ReadByte() == 'S'
+						   && stream.ReadByte() == 'J'
+						   && stream.ReadByte() == 'B';
+				}
+			}
+			catch (Exception)
+			{
+				return false;
+			}
+		}
+	}
+}