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diff --git a/extern/draco/dracoenc/src/draco/animation/keyframe_animation_encoder.h b/extern/draco/dracoenc/src/draco/animation/keyframe_animation_encoder.h
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+// Copyright 2017 The Draco Authors.
+//
+// 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 DRACO_ANIMATION_KEYFRAME_ANIMATION_ENCODER_H_
+#define DRACO_ANIMATION_KEYFRAME_ANIMATION_ENCODER_H_
+
+#include "draco/animation/keyframe_animation.h"
+#include "draco/compression/point_cloud/point_cloud_sequential_encoder.h"
+
+namespace draco {
+
+// Class for encoding keyframe animation. It takes KeyframeAnimation as a
+// PointCloud and compress it. It's mostly a wrapper around PointCloudEncoder so
+// that the animation module could be separated from geometry compression when
+// exposed to developers.
+class KeyframeAnimationEncoder : private PointCloudSequentialEncoder {
+ public:
+  KeyframeAnimationEncoder();
+
+  // Encode an animation to a buffer.
+  Status EncodeKeyframeAnimation(const KeyframeAnimation &animation,
+                                 const EncoderOptions &options,
+                                 EncoderBuffer *out_buffer);
+};
+
+}  // namespace draco
+
+#endif  // DRACO_ANIMATION_KEYFRAME_ANIMATION_ENCODER_H_