private ChannelFuture flushInbound(boolean recordException, ChannelPromise promise) {
        if (checkOpen(recordException)) {
            pipeline().fireChannelReadComplete();
            runPendingTasks();
        }

        return checkException(promise);
    }
Flushes the inbound of this {@link Channel}. This method is conceptually equivalent to {@link #flush()}.

@see #flushOutbound()
plc4j/transports/test/src/main/java/io/netty/channel/embedded/Plc4xEmbeddedChannel.java