private void addRevokeResponseHeaders(
      OAuthRevocationResponseDTO revokeResponseDTP,
      String accessToken,
      String refreshToken,
      String authorizedUser) {

    List<ResponseHeader> respHeaders = new ArrayList<>();
    ResponseHeader header = new ResponseHeader();
    header.setKey("RevokedAccessToken");
    header.setValue(accessToken);
    respHeaders.add(header);
    header = new ResponseHeader();
    header.setKey("AuthorizedUser");
    header.setValue(authorizedUser);
    respHeaders.add(header);
    header = new ResponseHeader();
    header.setKey("RevokedRefreshToken");
    header.setValue(refreshToken);
    respHeaders.add(header);
    revokeResponseDTP.setResponseHeaders(
        respHeaders.toArray(new ResponseHeader[respHeaders.size()]));
  }