public void setKmsKeyArn(String kmsKeyArn) {
        this.kmsKeyArn = kmsKeyArn;
    }
<p>
The Key ARN of the KMS key used for KMS encryption if you use <code>KMS_BASED_ENCRYPTION</code>.
</p>

@param kmsKeyArn
       The Key ARN of the KMS key used for KMS encryption if you use <code>KMS_BASED_ENCRYPTION</code>.
aws-java-sdk-iotsitewise/src/main/java/com/amazonaws/services/iotsitewise/model/PutDefaultEncryptionConfigurationResult.java