Function MongoCollection.updateImpl
Implementation helper. It's possible to set custom per-update object
options with this method, otherwise it's identical to replaceOne,
updateOne and updateMany.
UpdateResult updateImpl(T, U, O)
(
T[] queries,
U[] documents,
O[] perUpdateOptions,
UpdateOptions options = UpdateOptions
bool mustBeDocument = false,
bool mustBeModification = false
) @safe;