{
    "name": "your/package",
    "type": "typo3-flow-package",
    "description": "<some description>",
    "require": {
        "typo3/flow": "~2.3",
        "ezyang/htmlpurifier": "~4.6"
    },
    "autoload": {
        "psr-0": {
            "Your\\Package": "Classes"
        }
    }
}