cec

interface ReceiveEvent {
    attribute String type;
    attribute Array<byte> data;
};

callback ReceiveEventCallback = void (ReceiveEvent event);

interface Cec {
    Promise<void> send(Array<byte> data);
    void addEventListener(String type, ReceiveEventCallback callback);
    void removeEventListener(String type, ReceiveEventCallback callback);
};

const CecClass = require('@brightsign/cec');
const cec = new CecClass();

const CecClass = require("@brightsign/cec");
const cec = new CecClass("HDMI-2"); //Modify this to be 'HDMI-1', 'HDMI-2', 'HDMI-3', and 'HDMI-4' as needed

    Promise<void> send(Array<byte> data)

    Promise<void>