public SourceMetadata withSourceArn(String sourceArn) {
        setSourceArn(sourceArn);
        return this;
    }
<p>
The Amazon Resource Name (ARN) of the rule group that your own rule group is copied from.
</p>

@param sourceArn
       The Amazon Resource Name (ARN) of the rule group that your own rule group is copied from.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-networkfirewall/src/main/java/com/amazonaws/services/networkfirewall/model/SourceMetadata.java