piston/packages/mono/6.12.0/metadata.json

{
    "language": "mono",
    "version": "6.12.0",
    "provides": [
        {
            "language": "csharp",
            "aliases": ["mono", "mono-csharp", "mono-c#", "mono-cs", "c#", "cs"]
        },
        {
            "language": "basic",
            "aliases": ["vb", "mono-vb", "mono-basic", "visual-basic", "visual basic"]
        }
    ]
}