mwg API
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    Interface MidiSynthFallback

    told when a requested engine could not be used and another voiced the file instead

    interface MidiSynthFallback {
        message?: string;
        reason: "failed" | "unknown";
        requested: string;
        used: string;
    }
    Index
    message?: string
    reason: "failed" | "unknown"
    requested: string

    what was asked for first

    used: string

    what voiced the file instead