public ActionForm() {
        // nothing
    }

    /**
     * The flag to replace aliases.
     */
    @Size(max = 10)
    public String replaceAliases;

    /**
     * The flag to reset dictionaries.
     */
    @Size(max = 10)
    public String resetDictionaries;

    /**
     * The number of shards for doc.
     */
    @Size(max = 10)

    }

    /**
     * Starts a reindex operation with the specified parameters.
     *
     * @param replaceAliases whether to replace aliases after reindexing
     * @param resetDictionaries whether to reset dictionaries during reindexing
     * @param numberOfShards the number of shards for the new index
     * @param autoExpandReplicas the auto expand replicas setting for the new index

labels.upgrade_data_migration=Data Migration
labels.upgrade_reindex=Re-indexing
labels.upgrade_start_button=Start
labels.replace_aliases=Replace Aliases
labels.reset_dictionaries=Reset Dictionaries
labels.reindex_start_button=Start
labels.targetVersion=Target Version
labels.target_version=Target Version
labels.sereq_configuration=Request to OpenSearch
labels.sereq_request_file=Request File

labels.upgrade_data_migration=Data Migration
labels.upgrade_reindex=Re-indexing
labels.upgrade_start_button=Start
labels.replace_aliases=Replace Aliases
labels.reset_dictionaries=Reset Dictionaries
labels.reindex_start_button=Start
labels.targetVersion=Target Version
labels.target_version=Target Version
labels.sereq_configuration=Request to OpenSearch
labels.sereq_request_file=Request File

    /** The key of the message: Replace Aliases */
    public static final String LABELS_replace_aliases = "{labels.replace_aliases}";

    /** The key of the message: Reset Dictionaries */
    public static final String LABELS_reset_dictionaries = "{labels.reset_dictionaries}";

    /** The key of the message: Start */