Fix source only package issue in nuget

Misaki.HighPerformance.LowLevel/contentFiles/cs/any/MemoryLeakException.cs

@@ -0,0 +1,56 @@
+using Misaki.HighPerformance.LowLevel.Buffer;
+using System.Diagnostics;
+using System.Text;
+
+namespace Misaki.HighPerformance.LowLevel;
+
+/// <summary>
+/// An exception that is thrown when a memory leak is detected.
+/// </summary>
+/// <param name="Infos">An array of AllocationInfo containing details about the memory leaks.</param>
+public class MemoryLeakException : Exception
+{
+    private readonly string _message;
+
+    public override string Message => _message;
+
+    public MemoryLeakException(ReadOnlySpan<AllocationInfo> infos)
+    {
+        var stringBuilder = new StringBuilder();
+        stringBuilder.AppendLine($"Found {infos.Length} memory lakes!");
+
+        foreach (var info in infos)
+        {
+            stringBuilder.AppendLine(GetMessage(info.StackTrace));
+        }
+
+        _message = stringBuilder.ToString();
+    }
+
+    public MemoryLeakException(string message)
+    {
+        _message = message;
+    }
+
+    private static string GetMessage(StackTrace? stackTrace)
+    {
+        if (stackTrace == null)
+        {
+            return "No stack trace available.";
+        }
+
+        var stringBuilder = new StringBuilder();
+        stringBuilder.AppendLine("Memory leak detected at: ");
+
+        for (var i = 0; i < stackTrace.FrameCount; i++)
+        {
+            var frame = stackTrace.GetFrame(i);
+            if (frame != null)
+            {
+                stringBuilder.AppendLine($"File: {frame.GetFileName()}, Method: {DiagnosticMethodInfo.Create(frame)?.Name}, Line: {frame.GetFileLineNumber()}");
+            }
+        }
+
+        return stringBuilder.ToString();
+    }
+}