package net.spy.memcached.ops;import java.util.Collection;/** * Get operation. */public interface GetOperation extends Operation {	/**	 * Operation callback for the get request.	 */	interface Callback extends OperationCallback {		/**		 * Callback for each result from a get.		 *		 * @param key the key that was retrieved		 * @param flags the flags for this value		 * @param data the data stored under this key		 */		void gotData(String key, int flags, byte[] data);	}	/**	 * Get the keys requested in this GetOperation.	 */	Collection<String> getKeys();}