The run the job dispatches.
When the job is due, in milliseconds.
Optional leaseThe manager instance holding the dispatch lease.
Optional leaseWhen the lease runs out, in milliseconds.
Optional workerThe worker the provider dispatched to.
Set when the dispatch was recorded.
Set by a cancel. A cancelled job is never leased.
A run's dispatch job: when it is due, who holds its lease, and whether it was dispatched or cancelled.