Source to access LWC context in adaptive card

adaptivecards.js

Object.defineProperty(CardElement.prototype, "lwcRef", {
        get: function () {
            if (this._lwcRef) {
                return this._lwcRef;
            } 
        },
        set: function (value) {
            this._lwcRef = value;
        },
        enumerable: false,
        configurable: true
    });