mbed-os/tools/test/config/range_limits/test_data.json

{
    "test_target": {
        "lib1.config1": 5,
        "lib1.config2": 7,
        "lib1.config3": "foo",
        "lib1.config4": "0x1000",
        "lib1.config5": "0x2000",
        "lib1.config6": "0x8000"
    }
}