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/* ====================================================================
   Licensed to the Apache Software Foundation (ASF) under one or more
   contributor license agreements.  See the NOTICE file distributed with
   this work for additional information regarding copyright ownership.
   The ASF licenses this file to You under the Apache License, Version 2.0
   (the "License"); you may not use this file except in compliance with
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       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
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package org.apache.poi.poifs.storage;

import java.io.IOException;
import java.io.OutputStream;

/**
 * An interface for persisting block storage of POIFS components.
 *
 * @author Marc Johnson (mjohnson at apache dot org)
 */

public interface BlockWritable
{

    /**
     * Write the storage to an OutputStream
     *
     * @param stream the OutputStream to which the stored data should
     *               be written
     *
     * @exception IOException on problems writing to the specified
     *            stream
     */

    void writeBlocks(final OutputStream stream) throws IOException;
}   // end public interface BlockWritable