{
    "map_id": "",
    "a": ["^([-]?[\\d]+[.]?[\\d]*)$"],
    "b": ["^([-]?[\\d]+[.]?[\\d]*)$"],
    "id": "",
    "heightInMeters": "^([-]?[\\d]+[.]?[\\d]*)$",
    "thicknessInMeters": "^([-]?[\\d]+[.]?[\\d]*)$",
    "type": ""
}