asFileUploadOrNull
Casts this CardInput as a FileUpload and retrieves its aws.sdk.kotlin.services.qapps.model.FileUploadCardInput value. Returns null if the CardInput is not a FileUpload.
Casts this CardInput as a FileUpload and retrieves its aws.sdk.kotlin.services.qapps.model.FileUploadCardInput value. Returns null if the CardInput is not a FileUpload.