private static boolean suppressNullable(PsiMethod method) {
    if (method.getParameterList().isEmpty()) return false;

    for (StandardMethodContract contract : JavaMethodContractUtil.getMethodContracts(method)) {
      if (contract.getReturnValue().isNull()) {
        return true;
      }
    }
    return false;
  }
private static boolean suppressNullable(PsiMethod method)