subscribe method

Push subscribe({
  1. Duration? timeout,
})

Implementation

Push subscribe({Duration? timeout}) {
  if (joinedOnce == true) {
    throw "tried to subscribe multiple times. 'subscribe' can only be called a single time per channel instance";
  } else {
    joinedOnce = true;
    rejoin(timeout ?? _timeout);
    return _joinPush;
  }
}