{
"development_board": {
"promicro": {
"processor": "atmega32u4",
"bootloader": "caterina"
},
"elite_c": {
"bootloader": "atmel-dfu"
"proton_c": {
"processor": "STM32F303",
"bootloader": "stm32-dfu",
"board": "QMK_PROTON_C"
}