net.minecraft.server.v1_16_R3.IChatFormatted
 net.minecraft.server.v1_16_R3.EntityHuman
 net.minecraft.server.v1_16_R3.ICrafting
 net.minecraft.server.v1_16_R3.Container
 net.minecraft.server.v1_16_R3.PlayerConnection
 net.minecraft.server.v1_16_R3.EntityPlayer

 net.minecraft.server.v1_16_R3.Packet<?> packet)
 net.minecraft.server.v1_16_R3.Packet<net.minecraft.server.v1_16_R3.PacketListenerPlayOut>
    @SneakyThrows
    public void update(Player p, String title) {

        EntityPlayer ep = ((CraftPlayer) p).getHandle();
        IChatBaseComponent icbc = IChatBaseComponent.ChatSerializer.b("'" + title + "'");

        Containers<ContainerHopper> container1 = Containers.HOPPER;
        PacketPlayOutOpenWindow packet = new PacketPlayOutOpenWindow(ep.activeContainer.windowId, container1, icbc);
        ep.playerConnection.sendPacket((Packet<?>) packet);
        ep.updateInventory(ep.activeContainer);
    }