                       <option value=""></option>
                        <th:block th:each="oAuth2GrantType: ${oauth2Client.authorizationGrantTypes}">
                            <option th:if="${oAuth2GrantType.grantTypeName eq 'authorization_code'}"
                                    value="authorization_code"
                                    th:selected="${oAuth2GrantType.grantTypeName eq 'authorization_code'}">
                                AUTHORIZATION_CODE
                            </option>