Objects in this directory. You can call getMetadata() and getDownloadUrl() on them.
OptionalnextIf set, there might be more results for this list. Use this token to resume the list.
References to prefixes (sub-folders). You can call list() on them to get its contents.
Folders are implicit based on '/' in the object paths. For example, if a bucket has two objects '/a/b/1' and '/a/b/2', list('/a') will return '/a/b' as a prefix.
Result of listing files and folders.