public void selectCommonTab(final OpenDocumentEvent.CommonDocLinkTab commonDocLinkTab) {
        if (commonDocLinkTab != null) {
            final TabData tabData = commonTabsMap.get(commonDocLinkTab);
            if (tabData != null) {
                selectTab(tabData);
            }
        }
    }
@return The {@link TabData} instance for the Permissions tab.
stroom-core-client/src/main/java/stroom/entity/client/presenter/LinkTabPanelPresenter.java