public String getImageDigest() {
        return this.imageDigest;
    }
<p>
A SHA256 identifier for the Docker image that you use for your robot application.
</p>

@return A SHA256 identifier for the Docker image that you use for your robot application.
aws-java-sdk-robomaker/src/main/java/com/amazonaws/services/robomaker/model/CreateRobotApplicationVersionRequest.java