{
    "id": "FM__r",
    "name": "FM__r",
    "features": {
        "_r": {
            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_37": {
            "name": "_r_37",
            "optional": false,
            "type": "XOR",
            "note": ""
        },
        "_r_37_38_39": {
            "name": "_r_37_38_39",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_37_38_40": {
            "name": "_r_37_38_40",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_41": {
            "name": "_r_41",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_41_50": {
            "name": "_r_41_50",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_41_51": {
            "name": "_r_41_51",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_42": {
            "name": "_r_42",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_44": {
            "name": "_r_44",
            "optional": false,
            "type": "XOR",
            "note": ""
        },
        "_r_44_45_46": {
            "name": "_r_44_45_46",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_44_45_48": {
            "name": "_r_44_45_48",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_52": {
            "name": "_r_52",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        }
    },
    "tree": {
        "id": "_r",
        "children": [
            {
                "id": "_r_37",
                "children": [
                    {
                        "id": "_r_37_38_39"
                    },
                    {
                        "id": "_r_37_38_40"
                    }
                ]
            },
            {
                "id": "_r_41",
                "children": [
                    {
                        "id": "_r_41_50"
                    },
                    {
                        "id": "_r_41_51"
                    }
                ]
            },
            {
                "id": "_r_42"
            },
            {
                "id": "_r_44",
                "children": [
                    {
                        "id": "_r_44_45_46"
                    },
                    {
                        "id": "_r_44_45_48"
                    }
                ]
            },
            {
                "id": "_r_52"
            }
        ]
    },
    "constraints": {}
}