Returns a promise for a "current" PublicationRecord (referencing its immediate successor via a tail promise) that is later than the provided publishCount. Used to make forward-lossless ("each") iterators.
tail
Optional
Returns a promise for a "current" PublicationRecord (referencing its immediate successor via a
tail
promise) that is later than the provided publishCount. Used to make forward-lossless ("each") iterators.