Jenkins Script: How can I get a list of empty Folders and Multibranch jobs

Manage Jenkins > Script Console

import com.cloudbees.hudson.plugins.folder.Folder
import com.cloudbees.hudson.plugins.folder.AbstractFolder

Jenkins.instance.getAllItems(AbstractFolder.class).each { folder ->
  if (isEmpty(folder)) {
    println folder.fullName + " - " + folder.class
  }
};

return

def isEmpty(folder) {
  return folder?.items?.size() == 0
}

 

https://docs.cloudbees.com/docs/cloudbees-ci-kb/latest/client-and-managed-controllers/how-can-i-get-a-list-of-empty-folders

How can I get a list of empty Folders and Multibranch jobs