public String getKmsMasterKeyArn() {
        return this.kmsMasterKeyArn;
    }
<p>
The ARN of the KMS key that is used for the KMS encryption.
</p>

@return The ARN of the KMS key that is used for the KMS encryption.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsDynamoDbTableSseDescription.java