variable BLOB_META_KEYimport { BLOB_META_KEY } from "https://deno.land/x/kv_toolbox@0.19.1/blob_util.ts"; If there is meta data associated with a blob entry, like for something that was originally a Blob or File, then this will be set as a sub-key of that blob key with a value of the meta data. type"__kv_toolbox_meta__"