When is `checkpoint` used as the top level key in ...
# general
r
When is
checkpoint
used as the top level key in a statefile (https://github.com/pulumi/pulumi/blob/master/pkg/resource/stack/checkpoint.go) as opposed to a
deployment
key (https://github.com/pulumi/pulumi/blob/master/pkg/resource/stack/deployment.go), and what is the difference?