Outcome of engine.applyDropCopy.
engine.applyDropCopy
On success ok is true and operation is a single-use DropCopyOperation; on rejection ok is false and rejects is non-empty.
ok
true
operation
DropCopyOperation
false
rejects
Readonly
Whether drop copy applied the historical order.
The shared single-use operation, or undefined on rejection.
undefined
Repeated reads return handles sharing the same one-shot lifecycle.
The fatal evaluation rejects, empty on success.
Outcome of
engine.applyDropCopy.On success
okistrueandoperationis a single-useDropCopyOperation; on rejectionokisfalseandrejectsis non-empty.