--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mupdf-source/include/mupdf/pdf/clean.h	Mon Sep 15 11:43:07 2025 +0200
@@ -0,0 +1,68 @@
+// Copyright (C) 2004-2025 Artifex Software, Inc.
+//
+// This file is part of MuPDF.
+//
+// MuPDF is free software: you can redistribute it and/or modify it under the
+// terms of the GNU Affero General Public License as published by the Free
+// Software Foundation, either version 3 of the License, or (at your option)
+// any later version.
+//
+// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY
+// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
+// details.
+//
+// You should have received a copy of the GNU Affero General Public License
+// along with MuPDF. If not, see <https://www.gnu.org/licenses/agpl-3.0.en.html>
+//
+// Alternative licensing terms are available from the licensor.
+// For commercial licensing, see <https://www.artifex.com/> or contact
+// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco,
+// CA 94129, USA, for further information.
+
+#ifndef MUPDF_PDF_CLEAN_H
+#define MUPDF_PDF_CLEAN_H
+
+#include "mupdf/pdf/document.h"
+#include "mupdf/pdf/image-rewriter.h"
+
+/**
+	Specifies whether the PDF's structure tree should be dropped or
+	kept when rearranging or subsetting its pages.
+
+	PDF_CLEAN_STRUCTURE_DROP: Remove the structure tree entirely.
+
+	PDF_CLEAN_STRUCTURE_KEEP: Preserve the structure tree. When
+	redacting a document, preserving the structure tree might leak
+	information.
+ */
+typedef enum {
+	PDF_CLEAN_STRUCTURE_DROP = 0,
+	PDF_CLEAN_STRUCTURE_KEEP = 1
+} pdf_clean_options_structure;
+
+typedef struct
+{
+	pdf_write_options write;
+	pdf_image_rewriter_options image;
+
+	int subset_fonts;
+
+	/* 0 to drop the structure tree (default).
+	 * 1 to keep it unchanged.
+	 * Future values reserved.
+	 */
+	pdf_clean_options_structure structure;
+} pdf_clean_options;
+
+/*
+	Read infile, and write selected pages to outfile with the given options.
+*/
+void pdf_clean_file(fz_context *ctx, char *infile, char *outfile, char *password, pdf_clean_options *opts, int retainlen, char *retainlist[]);
+
+/*
+	Recreate page tree to include only the pages listed in the array, in the order listed.
+*/
+void pdf_rearrange_pages(fz_context *ctx, pdf_document *doc, int count, const int *pages, pdf_clean_options_structure structure);
+
+#endif