private
    lateinit var providedBy: Set<String>

    private
    lateinit var selected: String

    private
    var upgrade: String? = null

    internal
    fun configure(components: ComponentMetadataHandler, configurations: ConfigurationContainer) {
        if (upgrade != null) {
            configurations.forceUpgrade(selected, upgrade!!)
        } else {
            providedBy.forEachIndexed { idx, provider ->

     * This field can be used to store custom application settings.
     */
    @Size(max = 10000)
    public String appValue;

    /**
     * Default label value to use when no specific label is selected.
     * This affects which documents are included in search results by default.
     */
    @Size(max = 1000)
    public String defaultLabelValue;

    /**
     * Default sort order for search results.

errors.failed_to_reindex=Kan herindexering van {0} naar {1} niet starten.
errors.failed_to_rebuild_config_index=Kan configuratie-indexen niet opnieuw opbouwen.
errors.no_target_index_selected=Selecteer minimaal één doelindex om opnieuw op te bouwen.
errors.operation_already_running=De bewerking wordt al uitgevoerd op {0}.
errors.failed_to_read_request_file=Kan verzoekbestand niet lezen: {0}

     */
    protected boolean isLogFilename(final String name) {
        return name.endsWith(".log") || name.endsWith(".log.gz");
    }

    /**
     * Rebuilds selected configuration indices with the latest mappings.
     * Executes asynchronously in a background thread.
     *
     * @param form the action form containing the target index checkboxes and loadBulkData flag

labels.rebuild_config_index_button=Rebuild
labels.load_bulk_data=Load Default Data
labels.rebuild_target_indices=Target Indices
labels.rebuild_config_index_confirmation=Are you sure you want to rebuild the selected configuration indices? This operation will run in the background.
labels.plugin_title=Plugin
labels.plugin_list_name=Plugin List
labels.plugin_type=Type
labels.plugin_name=Name
labels.plugin_version=Version

labels.rebuild_config_index_button=Rebuild
labels.load_bulk_data=Load Default Data
labels.rebuild_target_indices=Target Indices
labels.rebuild_config_index_confirmation=Are you sure you want to rebuild the selected configuration indices? This operation will run in the background.
labels.plugin_title=Plugin
labels.plugin_list_name=Plugin List
labels.plugin_type=Type
labels.plugin_name=Name
labels.plugin_version=Version

    /** The key of the message: Target Indices */
    public static final String LABELS_rebuild_target_indices = "{labels.rebuild_target_indices}";

    /** The key of the message: Are you sure you want to rebuild the selected configuration indices? This operation will run in the background. */
    public static final String LABELS_rebuild_config_index_confirmation = "{labels.rebuild_config_index_confirmation}";