*<Null safety>*
Completer? getCompleter (int txid)
Returns the completer associated with the given response message.
Used by subclasses of AsyncProxy<T> to retrieve registered completers when handling response messages.
Implementation
Completer? getCompleter(int txid) {
final Completer? result = _completerMap.remove(txid);
if (result == null) {
proxyError(FidlError('Message had unknown request id: $txid'));
}
return result;
}