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package org.glassfish.jsp.api;

/**
 * This interface defines additional functionalities a web container can
 * provide for the response writer.  If implementated, perfermance will
 * likely to be improved.
 *
 * @author Kin-man Chung
 */
 
public interface ByteWriter {

    /**
     * Write a portion of a byte array to the output.
     *
     * @param  buff  A byte array
     * @param  off   Offset from which to start reading byte
     * @param  len   Number of bytes to write
     */
    void write(byte buff[], int off, int len)
        throws java.io.IOException;
}