// This Source Code is in the Public Domain per: http://unlicense.org
package org.litesoft.aokeyhole.objects.support;

import java.util.*;

public interface Changeable
{
    List<ChangeCallback> getChangeCallbacks();

    void removeAllChangeCallbacks();

    /**
     * @return True if pChangeCallback actually added
     */
    boolean add( ChangeCallback pChangeCallback );

    /**
     * @return True if pChangeCallback actually added
     */
    boolean remove( ChangeCallback pChangeCallback );

    void clearChangeIndicators();

    boolean chkChanged();

    boolean isChanged();

    void changed();
}