public S3BucketTranscriptSource withKmsKeyArn(String kmsKeyArn) {
        setKmsKeyArn(kmsKeyArn);
        return this;
    }
<p>
The ARN of the KMS key that customer use to encrypt their Amazon S3 bucket. Only use this field if your bucket is
encrypted using a customer managed KMS key.
</p>

@param kmsKeyArn
       The ARN of the KMS key that customer use to encrypt their Amazon S3 bucket. Only use this field if your
       bucket is encrypted using a customer managed KMS key.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-lexmodelsv2/src/main/java/com/amazonaws/services/lexmodelsv2/model/S3BucketTranscriptSource.java