@Override public void visitReferenceExpression(@NotNull PsiReferenceExpression reference) {
          PsiElement parent = reference.getParent();
          if (parent instanceof PsiReference || referenceOnMethod != parent instanceof PsiMethodCallExpression) return;

          String refName = reference.getReferenceName();
          if (refName != null && matcher.prefixMatches(refName) && reference.resolve() == null) {
            unresolvedRefs.add(refName);
          }
        }
@Override public void visitReferenceExpression(@NotNull PsiReferenceExpression reference)