package org.bouncycastle.crypto;/** * Signer with message recovery. */public interface SignerWithRecovery     extends Signer{    /**     * Returns true if the signer has recovered the full message as     * part of signature verification.     *      * @return true if full message recovered.     */    public boolean hasFullMessage();        /**     * Returns a reference to what message was recovered (if any).     *      * @return full/partial message, null if nothing.     */    public byte[] getRecoveredMessage();}