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diff --git a/fpdfsdk/include/cpdfsdk_annotiterator.h b/fpdfsdk/include/cpdfsdk_annotiterator.h
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+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_
+#define FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_
+
+#include <vector>
+
+class CPDFSDK_Annot;
+class CPDFSDK_PageView;
+
+class CPDFSDK_AnnotIterator {
+ public:
+ CPDFSDK_AnnotIterator(CPDFSDK_PageView* pPageView, bool bReverse);
+ ~CPDFSDK_AnnotIterator();
+
+ CPDFSDK_Annot* Next();
+
+ private:
+ CPDFSDK_Annot* NextAnnot();
+ CPDFSDK_Annot* PrevAnnot();
+
+ std::vector<CPDFSDK_Annot*> m_iteratorAnnotList;
+ const bool m_bReverse;
+ std::size_t m_pos;
+};
+
+#endif // FPDFSDK_INCLUDE_CPDFSDK_ANNOTITERATOR_H_