*<Null safety>*
void sendMessage (Message message)
void sendMessage(Message message) { if (!_reader.isBound) { proxyError(FidlStateException( 'AsyncProxyController<${$interfaceName}> is closed.')); return; } final int status = _reader.channel!.write(message.data, message.handles); if (status != ZX.OK) { proxyError(FidlError( 'AsyncProxyController<${$interfaceName}> failed to write to channel: ${_reader.channel} (status: $status)')); } }