* other SMB clients (including other threads making calls into jCIFS)
     * will not be permitted to access the target file and will receive "The
     * file is being accessed by another process" message.
     */
    public static final int FILE_NO_SHARE = 0x00;
    /**
     * When specified as the {@code shareAccess} constructor parameter,

    /** The key of the message: It may have been deleted by another process. Please try again. */
    public static final String ERRORS_APP_DB_ALREADY_DELETED = "{errors.app.db.already.deleted}";

    /** The key of the message: It may have been updated by another process. Please try again. */
    public static final String ERRORS_APP_DB_ALREADY_UPDATED = "{errors.app.db.already.updated}";

                fileSize = response.getDataSize();

                // this is so damn unreliable, needs another race-prone query if required
                haveAttributes = false;

                // This seems to be the only way to obtain a reliable (with respect to locking) file size here
                // It is more critical than other attributes because append mode depends on it.

            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
     * @param waitForCompletion whether to wait for the operation to complete