Bug 190061 [Metadata] Update @since tags for new API
Patch to follow
bundles/org.eclipse.jface/src/org/eclipse/jface/viewers/CellEditor.java
*
     * @param listener a property change listener
     */
    public void removePropertyChangeListener(IPropertyChangeListener listener) {
        propertyChangeListeners.remove(listener);
    }
    /**
     * Sets or clears the current error message for this cell editor.
     * <p>
     * No formatting is done here, the message to be set is expected to be fully formatted
     * before being passed in.
     * </p>
     * @param message the error message, or <code>null</code> to clear
     */
    protected void setErrorMessage(String message) {
        errorMessage = message;
    }
    /**
     * Sets the focus to the cell editor's control.
     */
    public void setFocus() {
        doSetFocus();
    }
    /**
     * Sets the input validator for this cell editor.
     *
     * @param validator the input validator, or <code>null</code> if none
     */
    public void setValidator(ICellEditorValidator validator) {
        this.validator = validator;