public CreateEventSubscriptionRequest withSeverity(String severity) {
        setSeverity(severity);
        return this;
    }
<p>
Specifies the Amazon Redshift event severity to be published by the event notification subscription.
</p>
<p>
Values: ERROR, INFO
</p>

@param severity
       Specifies the Amazon Redshift event severity to be published by the event notification subscription.</p>
       <p>
       Values: ERROR, INFO
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-redshift/src/main/java/com/amazonaws/services/redshift/model/CreateEventSubscriptionRequest.java