} catch (final Exception e) {
            logger.debug("Failed to check index status: indexName={}", indexName, e);
        }
        return exists;
    }

    /**
     * Copies documents from one index to another with optional transformation.
     *
     * @param fromIndex        the source index name
     * @param toIndex          the destination index name

    /** The key of the message: Rich Text */
    public static final String LABELS_facet_filetype_rtf = "{labels.facet_filetype_rtf}";

    /** The key of the message: Compiled HTML Help */
    public static final String LABELS_facet_filetype_chm = "{labels.facet_filetype_chm}";

    /** The key of the message: ZIP Archive */