public Bounce withBounceSubType(String bounceSubType) {
        setBounceSubType(bounceSubType);
        return this;
    }
<p>
The subtype of the bounce, as determined by SES.
</p>

@param bounceSubType
       The subtype of the bounce, as determined by SES.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-sesv2/src/main/java/com/amazonaws/services/simpleemailv2/model/Bounce.java