if (args.length != 3 && args.length != 4) {
sender.sendMessage(ChatColor.RED + "/scoreboard objectives setdisplay <slot> [objective]");
return false;
}
String slotName = args[2];
DisplaySlot slot = OBJECTIVES_DISPLAYSLOT.get(slotName);
if (slot == null) {
sender.sendMessage(ChatColor.RED + "No such display slot '" + slotName + "'");
} else {
if (args.length == 4) {
String objectiveName = args[3];