symfony/src/Symfony/Component/Console/Tests/Fixtures/input_definition_3.json

{
    "arguments": [],
    "options": {
        "option_name": {
            "name": "--option_name",
            "shortcut": "-o",
            "accept_value": false,
            "is_value_required": false,
            "is_multiple": false,
            "description": "",
            "default": false
        }
    }
}