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diff --git a/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_encoder.h b/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_encoder.h
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+++ b/extern/draco/draco/src/draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_encoder.h
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+// Copyright 2016 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_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_MESH_PREDICTION_SCHEME_ENCODER_H_
+#define DRACO_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_MESH_PREDICTION_SCHEME_ENCODER_H_
+
+#include "draco/compression/attributes/prediction_schemes/mesh_prediction_scheme_data.h"
+#include "draco/compression/attributes/prediction_schemes/prediction_scheme_encoder.h"
+
+namespace draco {
+
+// Base class for all mesh prediction scheme encoders that use the mesh
+// connectivity data. |MeshDataT| can be any class that provides the same
+// interface as the PredictionSchemeMeshData class.
+template <typename DataTypeT, class TransformT, class MeshDataT>
+class MeshPredictionSchemeEncoder
+    : public PredictionSchemeEncoder<DataTypeT, TransformT> {
+ public:
+  typedef MeshDataT MeshData;
+  MeshPredictionSchemeEncoder(const PointAttribute *attribute,
+                              const TransformT &transform,
+                              const MeshDataT &mesh_data)
+      : PredictionSchemeEncoder<DataTypeT, TransformT>(attribute, transform),
+        mesh_data_(mesh_data) {}
+
+ protected:
+  const MeshData &mesh_data() const { return mesh_data_; }
+
+ private:
+  MeshData mesh_data_;
+};
+
+}  // namespace draco
+
+#endif  // DRACO_COMPRESSION_ATTRIBUTES_PREDICTION_SCHEMES_MESH_PREDICTION_SCHEME_ENCODER_H_