Using new file structure. Use new regexir display method. Fix line dependency error in prefix analysing.

Signed-off-by: Nitload <YoumuLiu_NSI@whv0t.onmicrosoft.com>

src/StgSharp.Common/HighPerformance/Memory/L4.Predict.cs

@@ -0,0 +1,38 @@
+// -----------------------------------------------------------------------------
+// file="L4.Predict"
+// Project: StgSharp
+// Copyright (c) Nitload.
+// SPDX-License-Identifier: MIT
+// -----------------------------------------------------------------------------
+
+using StgSharp.Collections;
+using StgSharp.HighPerformance.Memory;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StgSharp.HighPerformance.Memory
+{
+    public partial class L4
+    {
+
+        private IL4Predict CurrentPredict { get; set; }
+
+        public void ResetPredict(
+                    IL4Predict predict
+        )
+        {
+            if (CurrentPredict is null)
+            {
+                CurrentPredict = predict;
+                return;
+            }
+
+            // TODO: write back all and register new predictor
+        }
+
+    }
+}