OptionalexpectedExpected content version for optimistic concurrency control. When mismatched, mutations are aborted with STALE_TARGET (details.current carries current version). Omitted, no check is made.
The new queue, in order. At most max(256, current queue length) entries; more fail with INVALID_PARAMS.
Parameters for
queue.setContents. Replace the whole queue with an ordered list of references. One unusable reference fails the whole call before anything is written. An empty list clears the queue. A playlist index is read as the call arrives, so one taken before the playlist list changed queues a row of another playlist;playlistGuidkeeps naming the playlist it was read from. An entry giving bothplaylistandplaylistGuid, or a malformed GUID, fails withINVALID_PARAMS, a GUID no playlist has withNOT_FOUND.