protected ResolveResult @NotNull [] doMultiResolve() {
    Collection<PsiPackage> packages = new HashSet<>();
    for (PsiPackage parentPackage : getContext()) {
      packages.addAll(myReferenceSet.resolvePackageName(parentPackage, getValue()));
    }
    return PsiElementResolveResult.createResults(packages);
  }
protected ResolveResult @NotNull [] doMultiResolve()