composer.json

{
    "name": "b13/collapse",
    "description": "Collapse large content element previews in TYPO3's Page Module",
    "type": "typo3-cms-extension",
    "license": [
        "GPL-2.0-or-later"
    ],
    "require": {
        "typo3/cms-backend": "^11.5"
    },
    "autoload": {
        "psr-4": {
            "B13\\Collapse\\": "Classes/"
        }
    },
    "extra": {
        "typo3/cms": {
            "extension-key": "collapse"
        }
    }
}