solr/contrib/ltr/src/test-files/modelExamples/multipleadditivetreesmodel_no_tree.json

{
    "class":"org.apache.solr.ltr.model.MultipleAdditiveTreesModel",
    "name":"multipleadditivetreesmodel_no_tree",
    "features":[
        { "name": "matchedTitle"},
        { "name": "constantScoreToForceMultipleAdditiveTreesScoreAllDocs"}
    ],
    "params":{
        "trees": [
            {
                "weight" : "2f"
            }
        ]
    }
}