public static PsiMethod[] mapToMethods(@Nullable List<? extends CandidateInfo> list) {
    if (list == null) return PsiMethod.EMPTY_ARRAY;
    PsiMethod[] result = new PsiMethod[list.size()];
    for (int i = 0; i < list.size(); i++) {
      result[i] = (PsiMethod) list.get(i).getElement();

    }
    return result;
  }
public static PsiMethod[] mapToMethods(@Nullable List<? extends CandidateInfo> list)