--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/thirdparty/tesseract/src/dict/dawg_cache.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,52 @@
+///////////////////////////////////////////////////////////////////////
+// File:        dawg_cache.h
+// Description: A class that knows about loading and caching dawgs.
+// Author:      David Eger
+// Created:     Fri Jan 27 12:08:00 PST 2012
+//
+// (C) Copyright 2012, Google Inc.
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+// http://www.apache.org/licenses/LICENSE-2.0
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+///////////////////////////////////////////////////////////////////////
+
+#ifndef TESSERACT_DICT_DAWG_CACHE_H_
+#define TESSERACT_DICT_DAWG_CACHE_H_
+
+#include "dawg.h"
+#include "object_cache.h"
+#include "tessdatamanager.h"
+
+namespace tesseract {
+
+class DawgCache {
+public:
+  Dawg *GetSquishedDawg(const std::string &lang, TessdataType tessdata_dawg_type, int debug_level,
+                        TessdataManager *data_file);
+
+  // If we manage the given dawg, decrement its count,
+  // and possibly delete it if the count reaches zero.
+  // If dawg is unknown to us, return false.
+  bool FreeDawg(Dawg *dawg) {
+    return dawgs_.Free(dawg);
+  }
+
+  // Free up any currently unused dawgs.
+  void DeleteUnusedDawgs() {
+    dawgs_.DeleteUnusedObjects();
+  }
+
+private:
+  ObjectCache<Dawg> dawgs_;
+};
+
+} // namespace tesseract
+
+#endif // TESSERACT_DICT_DAWG_CACHE_H_