{
    "000111":      {"type": "string", "value": "leading"},
    "10e3":        {"type": "string", "value": "false float"},
    "123":         {"type": "string", "value": "num"},
    "34-11":       {"type": "integer", "value": "23"},
    "alpha":       {"type": "string", "value": "a"},
    "one1two2":    {"type": "string", "value": "mixed"},
    "under_score": {"type": "string", "value": "___"},
    "with-dash":   {"type": "string", "value": "dashed"},
    "2018_10": {
        "001": {"type": "integer", "value": "1"}
    },
    "a-a-a": {
        "_": {"type": "bool", "value": "false"}
    }
}