{
    "id": "FM__r",
    "name": "FM__r",
    "features": {
        "_r": {
            "name": "_r",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1": {
            "name": "_r_1",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_10": {
            "name": "_r_10",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2": {
            "name": "_r_1_2",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3": {
            "name": "_r_1_2_3",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3_4": {
            "name": "_r_1_2_3_4",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3_4_5": {
            "name": "_r_1_2_3_4_5",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3_4_5_6": {
            "name": "_r_1_2_3_4_5_6",
            "optional": false,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3_4_5_6_7": {
            "name": "_r_1_2_3_4_5_6_7",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        },
        "_r_1_2_3_4_5_6_7_8": {
            "name": "_r_1_2_3_4_5_6_7_8",
            "optional": true,
            "type": "FEATURE",
            "note": ""
        }
    },
    "tree": {
        "id": "_r",
        "children": [
            {
                "id": "_r_1",
                "children": [
                    {
                        "id": "_r_1_2",
                        "children": [
                            {
                                "id": "_r_1_2_3",
                                "children": [
                                    {
                                        "id": "_r_1_2_3_4",
                                        "children": [
                                            {
                                                "id": "_r_1_2_3_4_5",
                                                "children": [
                                                    {
                                                        "id": "_r_1_2_3_4_5_6",
                                                        "children": [
                                                            {
                                                                "id": "_r_1_2_3_4_5_6_7",
                                                                "children": [
                                                                    {
                                                                        "id": "_r_1_2_3_4_5_6_7_8"
                                                                    }
                                                                ]
                                                            }
                                                        ]
                                                    }
                                                ]
                                            }
                                        ]
                                    }
                                ]
                            }
                        ]
                    }
                ]
            },
            {
                "id": "_r_10"
            }
        ]
    },
    "constraints": {}
}