{
    "id": "FM__r",
    "name": "FM__r",
    "features": {
        "_r": {
            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1": {
            "name": "_r_1",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_2": {
            "name": "_r_2",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_3": {
            "name": "_r_3",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_3_11_12": {
            "name": "_r_3_11_12",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_3_13_14": {
            "name": "_r_3_13_14",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_3_9_10": {
            "name": "_r_3_9_10",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_4": {
            "name": "_r_4",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_4_15_16": {
            "name": "_r_4_15_16",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_4_17_18": {
            "name": "_r_4_17_18",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        }
    },
    "tree": {
        "id": "_r",
        "children": [
            {
                "id": "_r_1"
            },
            {
                "id": "_r_2"
            },
            {
                "id": "_r_3",
                "children": [
                    {
                        "id": "_r_3_11_12"
                    },
                    {
                        "id": "_r_3_13_14"
                    },
                    {
                        "id": "_r_3_9_10"
                    }
                ]
            },
            {
                "id": "_r_4",
                "children": [
                    {
                        "id": "_r_4_15_16"
                    },
                    {
                        "id": "_r_4_17_18"
                    }
                ]
            }
        ]
    },
    "constraints": {}
}