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diff --git a/third_party/jpeg-xl/lib/jxl/enc_file.h b/third_party/jpeg-xl/lib/jxl/enc_file.h
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+++ b/third_party/jpeg-xl/lib/jxl/enc_file.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_JXL_ENC_FILE_H_
+#define LIB_JXL_ENC_FILE_H_
+
+// Facade for JXL encoding.
+
+#include "lib/jxl/base/data_parallel.h"
+#include "lib/jxl/base/padded_bytes.h"
+#include "lib/jxl/base/status.h"
+#include "lib/jxl/enc_cache.h"
+#include "lib/jxl/enc_params.h"
+
+namespace jxl {
+
+struct AuxOut;
+class CodecInOut;
+
+// Compresses pixels from `io` (given in any ColorEncoding).
+// `io->metadata.m.original` must be set.
+Status EncodeFile(const CompressParams& params, const CodecInOut* io,
+                  PassesEncoderState* passes_enc_state, PaddedBytes* compressed,
+                  const JxlCmsInterface& cms, AuxOut* aux_out = nullptr,
+                  ThreadPool* pool = nullptr);
+
+}  // namespace jxl
+
+#endif  // LIB_JXL_ENC_FILE_H_