React/stomp heartbeat implementation

gistfile1.php

<?php

namespace React\Stomp;

class HeartBeatClient implements ClientInterface
{
    private $client;

    public function __construct(ClientInterface $client, $clientGuarantee, $serverGuarantee)
    {
        $this->client = $client;
        
        // implement heartbeat stuff here
    }

    public function connect($timeout = 5)
    {
        return $this->client->connect($timeout);
    }

    public function send($destination, $body, array $headers = array())
    {
        return $this->client->send($destination, $body, $headers);
    }

    public function subscribe($destination, $callback, array $headers = array())
    {
        return $this->client->subscribe($destination, $callback, $headers);
    }

    public function subscribeWithAck($destination, $ack, $callback, array $headers = array())
    {
        $this->client->subscribeWithAck($destination, $ack, $callback, $headers);
    }

    public function unsubscribe($subscriptionId, array $headers = array())
    {
        return $this->client->unsubscribe($subscriptionId, $headers);
    }

    public function ack($subscriptionId, $messageId, array $headers = array())
    {
        return $this->client->ack($subscriptionId, $messageId, $headers);
    }

    public function nack($subscriptionId, $messageId, array $headers = array())
    {
        return $this->client->nack($subscriptionId, $messageId, $headers);
    }

    public function disconnect()
    {
        return $this->client->disconnect();
    }

    public function isConnected()
    {
        return $this->client->isConnected();
    }
}