const checkTreesIdentity = (firstNode, secondNode) => {
    const firstQueue = new Queue();
    firstQueue.enqueue(firstNode);

    const secondQueue = new Queue();
    secondQueue.enqueue(secondNode);

    while (!(firstQueue.isEmpty || secondQueue.isEmpty)) {
        const currentFirstNode = firstQueue.dequeue.value;
        const currentSecondNode = secondQueue.dequeue.value;

        if (currentFirstNode.value !== currentSecondNode.value) {
            return false;
        }

        // First node
        if (currentFirstNode.leftChild) {
            firstQueue.enqueue(currentFirstNode.leftChild);
        }

        if (currentFirstNode.rightChild) {
            firstQueue.enqueue(currentFirstNode.rightChild);
        }

        // Second node
        if (currentSecondNode.leftChild) {
            secondQueue.enqueue(currentSecondNode.leftChild);
        }

        if (secondntSecondNode.rightChild) {
            secondQueue.enqueue(currentSecondNode.rightChild);
        }
    }
};