Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
* @param newValidState the current valid state
     * @see ICellEditorListener#editorValueChanged
     */
    protected void valueChanged(boolean oldValidState, boolean newValidState) {
        valid = newValidState;
        dirty = true;
        fireEditorValueChanged(oldValidState, newValidState);
    }
    
    /**
     * Activate the editor but also inform the editor which event triggered its activation.
     * <b>The default implementation simply calls {@link #activate()}</b>
     * 
     * @param activationEvent the editor activation event
     */
    public void activate(ColumnViewerEditorActivationEvent activationEvent) {
    	activate();
    }
    
    /**
     * This method is for interal use in {@link ColumnViewerEditor} to not break clients
     * who don't implement the {@link ICellEditorListener} appropiately
     * 
     * @return <code>true</code> to indicate that a focus listener has to be attached
     */
    boolean dependsOnExternalFocusListener() {
    	return true;
    }
}