{
    "formatter": [
        {
            "mimetype": "text/calendar"
        }
    ],
    "renderer": [
        {
            "type": "MimeTreeParser::AttachmentMessagePart",
            "mimetype": "text/calendar"
        },
        {
            "type": "MimeTreeParser::TextMessagePart",
            "mimetype": "text/calendar"
        }
    ]
}
