https://github.com/jenkinsci/config-file-provider-plugin/blob/8e85886ffdc49e6572de63d99e7ac4878d2cb20f/src/main/resources/org/jenkinsci/plugins/configfiles/buildwrapper/ManagedFile/config.jelly#L30
https://www.jenkins.io/doc/developer/security/csp/#inline-event-handlers
PR#343