@Nullable
  private static PsiMember findMember(ReferenceData refData, PsiClass refClass) {
    PsiField field = refClass.findFieldByName(refData.staticMemberName, true);
    if (field != null) {
      return field;
    }

    PsiMethod[] methods = refClass.findMethodsByName(refData.staticMemberName, true);
    if (methods.length != 0) {
      return methods[0];
    }

    return null;
  }
@Nullable
  private static PsiMember findMember(ReferenceData refData, PsiClass refClass)