### Listen config
If `type` is `unix`, `path` is the path where to create the socket.

If `type` is `tcp`, `port` and `host` are the host/port where to listen.

### Profile directory
The `profile_dir` specifies which directory to put Chromium user data directories.

### URL
`url` specifies the URL of the index page of the LINE extension for your Chromium installation.

### Extension directory
The `extension_dir` specifies which directory contains the files for the LINE extension, which you must download yourself.

### DevTools
Set `devtools` to `true` to launch Chromium with DevTools enabled by default.