Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
*/
    public void addListener(ICellEditorListener listener) {
        listeners.add(listener);
    }
    /**
     * Adds a property change listener to this cell editor.
     * Has no effect if an identical property change listener 
     * is already registered.
     *
     * @param listener a property change listener
     */
    public void addPropertyChangeListener(IPropertyChangeListener listener) {
        propertyChangeListeners.add(listener);
    }
    /**
     * Creates the control for this cell editor under the given parent control.
     * <p>
     * This framework method must be implemented by concrete
     * subclasses.
     * </p>
     *
     * @param parent the parent control
     * @return the new control, or <code>null</code> if this cell editor has no control
     */
    protected abstract Control createControl(Composite parent);
    /**
     * Creates the control for this cell editor under the given parent control.
     * 
     * @param parent the parent control
     * @since 2.1