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diff --git a/third_party/jpeg-xl/lib/jpegli/render.h b/third_party/jpeg-xl/lib/jpegli/render.h
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+// Copyright (c) the JPEG XL Project Authors. All rights reserved.
+//
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#ifndef LIB_JPEGLI_RENDER_H_
+#define LIB_JPEGLI_RENDER_H_
+
+#include <stdint.h>
+
+#include "lib/jpegli/common.h"
+
+namespace jpegli {
+
+void PrepareForOutput(j_decompress_ptr cinfo);
+
+void ProcessOutput(j_decompress_ptr cinfo, size_t* num_output_rows,
+ JSAMPARRAY scanlines, size_t max_output_rows);
+
+void ProcessRawOutput(j_decompress_ptr cinfo, JSAMPIMAGE data);
+
+} // namespace jpegli
+
+#endif // LIB_JPEGLI_RENDER_H_