private static List<PsiElement> resolve(final PsiReference ref) {
// IDEA-56727 try resolve first as in GotoDeclarationAction
PsiElement resolvedElement = ref.resolve();
if (resolvedElement == null && ref instanceof PsiPolyVariantReference) {
List<PsiElement> result = new ArrayList<PsiElement>();
final ResolveResult[] psiElements = ((PsiPolyVariantReference) ref).multiResolve(false);
for (ResolveResult resolveResult : psiElements) {
if (resolveResult.getElement() != null) {
result.add(resolveResult.getElement());
}
}
return result;
}
return resolvedElement == null
? Collections.<PsiElement>emptyList()
: Collections.singletonList(resolvedElement);
}
