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package persistence.antlr.collections;
/* ANTLR Translator Generator
* Project led by Terence Parr at http://www.jGuru.com
* Software rights: http://www.antlr.org/license.html
*
* $Id: Enumerator.java,v 1.1 2006/02/08 21:31:11 tware Exp $
*/
public interface Enumerator {
/**Return the element under the cursor; return null if !valid() or
* if called before first next() call.
*/
public Object cursor();
/**Return the next element in the enumeration; first call to next()
* returns the first element.
*/
public Object next();
/**Any more elements in the enumeration? */
public boolean valid();
}