public SseConfig withKeyArn(String keyArn) {
        setKeyArn(keyArn);
        return this;
    }
<p>
An encryption key ARN.
</p>

@param keyArn
       An encryption key ARN.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-omics/src/main/java/com/amazonaws/services/omics/model/SseConfig.java