asProgressOrNull
Casts this SelectObjectContentEventStream as a Progress and retrieves its aws.sdk.kotlin.services.s3.model.ProgressEvent value. Returns null if the SelectObjectContentEventStream is not a Progress.
Casts this SelectObjectContentEventStream as a Progress and retrieves its aws.sdk.kotlin.services.s3.model.ProgressEvent value. Returns null if the SelectObjectContentEventStream is not a Progress.