1.15 change

src/main/java/carpet/mixins/ChunkTicketManager_scarpetMixin.java

@@ -1,9 +1,9 @@
 package carpet.mixins;
 
 import it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap;
-import it.unimi.dsi.fastutil.objects.ObjectSortedSet;
 import net.minecraft.server.world.ChunkTicket;
 import net.minecraft.server.world.ChunkTicketManager;
+import net.minecraft.util.SortedArraySet;
 import org.spongepowered.asm.mixin.Mixin;
 import org.spongepowered.asm.mixin.gen.Accessor;
 
@@ -11,5 +11,5 @@ import org.spongepowered.asm.mixin.gen.Accessor;
 public interface ChunkTicketManager_scarpetMixin
 {
     @Accessor
-    Long2ObjectOpenHashMap<ObjectSortedSet<ChunkTicket<?>>>  getTicketsByPosition();
+    Long2ObjectOpenHashMap<SortedArraySet<ChunkTicket<?>>>  getTicketsByPosition();
 }