public String getPreviousActiveVersionArn() {
        return this.previousActiveVersionArn;
    }
<p>
The Amazon Resource Name (ARN) of the machine learning model version that was the previous active model version.
</p>

@return The Amazon Resource Name (ARN) of the machine learning model version that was the previous active model
        version.
aws-java-sdk-lookoutequipment/src/main/java/com/amazonaws/services/lookoutequipment/model/UpdateActiveModelVersionResult.java