});
        if (list.isEmpty()) {
            return OptionalEntity.empty();
        }
        return OptionalEntity.of(list.get(0));
    }

    public void store(final DataConfig dataConfig) {
        dataConfig.setHandlerParameter(ParameterUtil.encrypt(dataConfig.getHandlerParameter()));
        dataConfigBhv.insertOrUpdate(dataConfig, op -> {
            op.setRefreshPolicy(Constants.TRUE);

if $cygwin || $mingw ; then
  [ -n "$JAVA_HOME" ] &&
    JAVA_HOME=`cygpath --unix "$JAVA_HOME"`
fi

if [ -n "$JAVA_HOME" ] ; then
  if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
    # IBM's JDK on AIX uses strange locations for the executables
    JAVACMD="$JAVA_HOME/jre/sh/java"
  else
    JAVACMD="$JAVA_HOME/bin/java"

    if [ ! -x "$JAVACMD" ] ; then

        verifyPassword(form, this::asEditHtml);
        verifyToken(this::asEditHtml);
        getUser(form).ifPresent(entity -> {
            try {
                userService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to add {}", entity, e);

        validate(form, messages -> {}, this::asEditHtml);
        verifyToken(this::asEditHtml);
        getFileAuthentication(form).ifPresent(entity -> {
            try {
                fileAuthenticationService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

        validate(form, messages -> {}, this::asEditHtml);
        verifyToken(this::asEditHtml);
        getRequestHeader(form).ifPresent(entity -> {
            try {
                requestHeaderService.store(entity);
                saveInfo(messages -> messages.addSuccessCrudCreateCrudTable(GLOBAL));
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);

      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all
      other commercial damages or losses), even if such Contributor
      has been advised of the possibility of such damages.

      incidental, or consequential damages of any character arising as a
      result of this License or out of the use or inability to use the
      Work (including but not limited to damages for loss of goodwill,
      work stoppage, computer failure or malfunction, or any and all
      other commercial damages or losses), even if such Contributor
      has been advised of the possibility of such damages.

            cb.query().addOrderBy_SortOrder_Asc();
            cb.query().addOrderBy_Name_Asc();
            cb.paging(fessConfig.getPageLabeltypeMaxFetchSizeAsInteger(), 1);
        });
    }

    public void store(final LabelType labelType) {
        labelTypeBhv.insertOrUpdate(labelType, op -> {
            op.setRefreshPolicy(Constants.TRUE);
        });

* Make sure you have well defined Pydantic models for your request bodies and responses.
* Configure any required permissions and roles using dependencies.
* Never store plaintext passwords, only password hashes.
* Implement and use well-known cryptographic tools, like Passlib and JWT tokens, etc.
* Add more granular permission controls with OAuth2 scopes where needed.
* ...etc.

    return KeyStore.getInstance(keyStoreType ?: KeyStore.getDefaultType()).apply {
      val inputStream: InputStream? = null // By convention, 'null' creates an empty key store.
      load(inputStream, password)
    }
  }