public String getKeyId() {
        return this.keyId;
    }
<p>
The identifier of the KMS key that is used for encryption. Provided if <code>Type</code> is <code>KMS</code>.
</p>

@return The identifier of the KMS key that is used for encryption. Provided if <code>Type</code> is
        <code>KMS</code>.
aws-java-sdk-securityhub/src/main/java/com/amazonaws/services/securityhub/model/AwsXrayEncryptionConfigDetails.java