StreamSubtitlesInputNode.sendCue() method
Send a WebVTT-style subtitle cue given the body text and the time range of the cue. The timestamp is a Norsk internal timestamp, which may be observed (and perhaps offset calculated) from some other node, such as a stream timestamp report node.
Signature:
sendCue(cue: {
        startTimestamp: Interval;
        endTimestamp: Interval;
        text: string;
    }): void;