fantaneo

{
    "description": "HJKLキーでマウス移動",
    "manipulators": [
        {
            "from": {
                "key_code": "n",
                "modifiers": { "mandatory": ["option", "shift"] }
            },
            "to": [{ "mouse_key": { "vertical_wheel": 100 } }],
            "type": "basic"

fantaneo

{
    "description": "Cmd+Space prefix + a でArcを起動",
    "manipulators": [
        {
            "conditions": [
                {
                    "name": "prefix_mode",
                    "type": "variable_if",
                    "value": 1
                }

fantaneo

{
    "description": "Post space is pressed alone, left_ctrl otherwise",
    "manipulators": [
        {
            "from": {
                "key_code": "spacebar",
                "modifiers": {
                    "optional": [
                        "any"
                    ]