https://github.com/MC-France/API-Java/commit/a82ce000edaa9c1782d6f222f0005e4c38bdb49b

Main.java

public void sendTitle(Player player, String title, String subtitle, int fadeIn, int stay, int fadeOut) {
    CraftPlayer craftplayer = (CraftPlayer)player;
    PlayerConnection connection = craftplayer.getHandle().playerConnection;
    IChatBaseComponent titleJSON = ChatSerializer.a("{'text': '" + ChatColor.translateAlternateColorCodes('&', title) + "'}");
    IChatBaseComponent subtitleJSON = ChatSerializer.a("{'text': '" + ChatColor.translateAlternateColorCodes('&', subtitle) + "'}");
    Packet length = new PacketPlayOutTitle(EnumTitleAction.TIMES, titleJSON, fadeIn, stay, fadeOut);
    Packet titlePacket = new PacketPlayOutTitle(EnumTitleAction.TITLE, titleJSON, fadeIn, stay, fadeOut);
    Packet subtitlePacket = new PacketPlayOutTitle(EnumTitleAction.SUBTITLE, subtitleJSON, fadeIn, stay, fadeOut);
    connection.sendPacket(titlePacket);
    connection.sendPacket(length);
    connection.sendPacket(subtitlePacket);
}