Karabiner 把tab映射为 ⌥}

{
    "description": "Xcode Tab Remapping",
    "manipulators": [
        {
            "conditions": [
                {
                    "bundle_identifiers": [
                        "^com\\.apple\\.dt\\.Xcode$"
                    ],
                    "type": "frontmost_application_if"
                }
            ],
            "from": {
                "key_code": "tab"
            },
            "to": [
                {
                    "key_code": "close_bracket",
                    "modifiers": [
                        "left_option"
                    ]
                }
            ],
            "type": "basic"
        }
    ]
}