Values.S3ConfigurationSourceConfiguration for an S3 location.
type nonrec t = {s3Bucket : S3BucketName.t option;The name of the S3 bucket.
*)s3BucketOwner : AccountID.t option;The AWS account ID of the S3 bucket owner.
*)s3Key : S3KeyName.t option;The S3 key (path) for the object.
*)}