downloadService.post('org.jenkins-ci.plugins.scriptler.CentralScriptJsonCatalog',{"list": [
    {
    "authors": [{"name": "Andrew Bayer"}],
    "name": "Purge Old Builds",
    "core": "1.409",
    "parameters": [],
    "script": "purgeOldBuilds.groovy",
    "comment": "Runs the log rotator for each job, purging old builds if needed."
  },
    {
    "authors": [{"name": "Niels Harremoes"}],
    "name": "Clear build queue",
    "core": "1.300",
    "parameters": [],
    "script": "clearBuildQueue.groovy",
    "comment": "If you accidently trigger a lot of unneeded builds, it is useful to be able to <b>cancel<\/b> them all"
  },
    {
    "authors": [{"name": "Andrew Bayer"}],
    "name": "Bulk Delete Builds",
    "core": "1.409",
    "parameters":     [
      "jobName",
      "buildRange"
    ],
    "script": "bulkDeleteBuilds.groovy",
    "comment": "For a given job and a given range of possible build numbers, delete those builds."
  }
]})