public RawMessageContent withS3Reference(S3Reference s3Reference) {
        setS3Reference(s3Reference);
        return this;
    }
<p>
The S3 reference of an email message.
</p>

@param s3Reference
       The S3 reference of an email message.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-workmailmessageflow/src/main/java/com/amazonaws/services/workmailmessageflow/model/RawMessageContent.java