public String getEncryptionKey() {
        return this.encryptionKey;
    }
<p>
If you associated an KMS key with the CloudWatch Logs Insights query results in this account, this field displays
the ARN of the key that's used to encrypt the query results when <a
href="https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_StartQuery.html">StartQuery</a>
stores them.
</p>

@return If you associated an KMS key with the CloudWatch Logs Insights query results in this account, this field
        displays the ARN of the key that's used to encrypt the query results when <a
        href="https://docs.aws.amazon.com/AmazonCloudWatchLogs/latest/APIReference/API_StartQuery.html"
        >StartQuery</a> stores them.
aws-java-sdk-logs/src/main/java/com/amazonaws/services/logs/model/GetQueryResultsResult.java