Rich text
{
    "dragover": {
        "text/plain": "",
        "foo/🤔👌🙃": "",
        "text/html": "",
        "bar/מקור השם עברית": "",
        "text/uri-list": "",
        "baz/年年年": "",
        "text/rtf": ""
    },
    "drop": {
        "text/plain": "ben bitdiddle",
        "foo/🤔👌🙃": "🤔👌🙃",
        "text/html": "<b>年年年</b>",
        "bar/מקור השם עברית": "<i>מקור השם עברית</i>",
        "text/uri-list": "https://www.apple.com",
        "baz/年年年": "https://www.webkit.org",
        "text/rtf": "AAAAAAAAAAA"
    }
}