public Integer getSessionExpirationDurationInSeconds() {
        return this.sessionExpirationDurationInSeconds;
    }
<p>
The session expiration duration in seconds. This value defaults to 43200.
</p>

@return The session expiration duration in seconds. This value defaults to 43200.
aws-java-sdk-sagemaker/src/main/java/com/amazonaws/services/sagemaker/model/CreatePresignedDomainUrlRequest.java