String (@NotNull final Object element) { if (element instanceof PsiElement && !((PsiElement)element).isValid()) { return null; } for (ChooseByNameContributor c : getContributorList()) { if (c instanceof GotoClassContributor) { String result = ((GotoClassContributor)c).getQualifiedName((NavigationItem)element); if (result != null) return result; } } return getElementName(element); }