Set<String> () { if (myQualifier != null && myQualifier.getType() != null) return Collections.emptySet(); final PsiElement scope = PsiTreeUtil.getParentOfType(myRefExpr, GrMember.class, PsiFile.class); Set<String> result = new LinkedHashSet<>(); if (scope != null) { addVariantsWithSameQualifier(scope, result); } return result; }