Instantiate objects preserving full storage paths. Only supported for default LDB format (annotation file per every object).
--preview [lambda_id]
Preview flag instantiates data objects after passing them through a given lambda function (for example, downscaling to specific size for image previews). It has no effect if cloud storage does not support object lambdas, or code access point for lambda_id was not configured.
From https://github.com/iterative/ldb-resources/blob/main/documentation/Command-summary.md#instantiate--object-ids--flags. The following flags don't exist: