Describe the bug

Experimenting happy path on devfile registry, I tried to change the devfile registry policy to IfNotPresent instead of default Always but it was always resulting in error:

12:53:34] ✅  Post installation checklist [failed]
[12:53:34] → Failed to download image, reason: ImagePullBackOff, message: Back-off pulling image "che-devfile-registry-image:latest".
 ›   Err

Document the commands that clients should implement and their expected behaviour on https://github.com/eclipse/eclipse.jdt.ls/wiki/JDT-LS-Extensions

Consider the following:

void meth(Closure closure) {
  closure.|
}

When invoking content assist (Ctrl+Space) at |, the methods and properties of groovy.lang.Closure are very low in the list of proposals. This is due to very-well-known type adjustments made within org.codehaus.groovy.eclipse.codeassist.proposals.AbstractGroovyProposal.getRelevanceClass().