Re-add shading/relocation of fastutils and add a dumb class because minimise doesn't scan worldedit-adapters

worldedit-bukkit/build.gradle.kts

@@ -147,9 +147,9 @@ tasks.named<ShadowJar>("shadowJar") {
         relocate("io.papermc.lib", "com.sk89q.worldedit.bukkit.paperlib") {
             include(dependency("io.papermc:paperlib"))
         }
-//        relocate("it.unimi.dsi.fastutil", "com.sk89q.worldedit.bukkit.fastutil") {
-//            include(dependency("it.unimi.dsi:fastutil"))
-//        }
+        relocate("it.unimi.dsi.fastutil", "com.sk89q.worldedit.bukkit.fastutil") {
+            include(dependency("it.unimi.dsi:fastutil"))
+        }
         relocate("org.incendo.serverlib", "com.fastasyncworldedit.serverlib") {
             include(dependency("org.incendo.serverlib:ServerLib:2.2.1"))
         }

worldedit-bukkit/src/main/java/com/fastasyncworldedit/bukkit/util/DoNotMiniseThese.java

@@ -0,0 +1,18 @@
+package com.fastasyncworldedit.bukkit.util;
+
+import it.unimi.dsi.fastutil.longs.Long2ObjectLinkedOpenHashMap;
+import it.unimi.dsi.fastutil.longs.LongArraySet;
+import it.unimi.dsi.fastutil.longs.LongIterator;
+import it.unimi.dsi.fastutil.longs.LongSet;
+import it.unimi.dsi.fastutil.ints.Int2ObjectMap;
+
+/**
+ * Class to prevent the above/below being removed from shaded/relocated dependencies via minimization
+ */
+final class DoNotMiniseThese {
+    private final Long2ObjectLinkedOpenHashMap a = null;
+    private final LongArraySet b = null;
+    private final LongIterator c = null;
+    private final LongSet d = null;
+    private final Int2ObjectMap e = null;
+}