/**
     * Gets tags/metadata for an object.
     *
     * @param objectName the name/path of the object
     * @return map of tag key-value pairs
     */
    Map<String, String> getObjectTags(String objectName);

    /**
     * Sets tags/metadata for an object.
     *
     * @param objectName the name/path of the object
     * @param tags the tags to set
     */