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diff --git a/o3d/import/cross/iarchive_generator.h b/o3d/import/cross/iarchive_generator.h
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+/*
+ * Copyright 2009, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+
+// This file contains the declaration of class IArchiveGenerator.
+
+#ifndef O3D_IMPORT_CROSS_IARCHIVE_GENERATOR_H_
+#define O3D_IMPORT_CROSS_IARCHIVE_GENERATOR_H_
+
+#include "core/cross/types.h"
+
+namespace o3d {
+
+class MemoryReadStream;
+
+class IArchiveGenerator {
+ public:
+  virtual ~IArchiveGenerator() {
+  }
+
+  // Call AddFile() for each file entry, followed by calls to AddFileBytes()
+  // for the file's data
+  virtual void AddFile(const String& file_name,
+                       size_t file_size) = 0;
+
+  // Call with the file's data (after calling AddFile)
+  // may be called one time will all the file's data, or multiple times
+  // until all the data is provided
+  virtual int AddFileBytes(MemoryReadStream* stream, size_t n) = 0;
+};
+
+}  // namespace o3d
+
+#endif  // O3D_IMPORT_CROSS_IARCHIVE_GENERATOR_H_