{
    "inherits": ["atsamd51j19a"],
    "build-tags": ["metro_m4_airlift"],
    "serial": "usb",
    "serial-port": ["239A:8037"],
    "flash-1200-bps-reset": "true",
    "flash-method": "msd",
    "msd-volume-name": "METROM4BOOT",
    "msd-firmware-name": "firmware.uf2"
}