src/test/resources/simple2.json

{
  "id":"generated:simple2_something:1.0.0",
  "variables":{
    "provisioning.model.name":"something"
  },
  "bundles":[
    {
      "id":"org.apache.aries:org.apache.aries.util:1.1.3",
      "start-level":"20"
    }
  ]
}