public void setReferenceId(String referenceId) {
        this.referenceId = referenceId;
    }
<p>
Reference identifier of the operational recommendation.
</p>

@param referenceId
       Reference identifier of the operational recommendation.
aws-java-sdk-resiliencehub/src/main/java/com/amazonaws/services/resiliencehub/model/BatchUpdateRecommendationStatusSuccessfulEntry.java