This was a utility class to allow insecure https access to onvif devices. (Often security cameras include both http and https, but it is common for the certificates to not be valid.) It was unused and does not work.
Changes used to compile on java 12. Should be changed to a maven profile to allow selecting java 8 or higher... but appears to work. I do see some Illegal reflective access
warnings that appear harmless, for instance: Illegal reflective access by org.apache.ws.commons.schema.utils.DOMUtil