--- /dev/null
+++ b/io/papermc/paper/FeatureHooks.java
@@ -1,0 +_,84 @@
+package io.papermc.paper;
+
+import io.papermc.paper.command.PaperSubcommand;
+import it.unimi.dsi.fastutil.longs.LongOpenHashSet;
+import it.unimi.dsi.fastutil.longs.LongSet;
+import it.unimi.dsi.fastutil.longs.LongSets;
+import it.unimi.dsi.fastutil.objects.ObjectOpenHashSet;
+import it.unimi.dsi.fastutil.objects.ObjectSet;
+import it.unimi.dsi.fastutil.objects.ObjectSets;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import net.minecraft.core.Registry;
+import net.minecraft.network.protocol.game.ClientboundLevelChunkWithLightPacket;
+import net.minecraft.server.level.ServerPlayer;
+import net.minecraft.world.entity.Entity;
+import net.minecraft.world.entity.monster.Spider;
+import net.minecraft.world.level.ChunkPos;
+import net.minecraft.world.level.Level;
+import net.minecraft.world.level.biome.Biome;
+import net.minecraft.world.level.block.Block;
+import net.minecraft.world.level.block.Blocks;
+import net.minecraft.world.level.block.state.BlockState;
+import net.minecraft.world.level.chunk.LevelChunk;
+import net.minecraft.world.level.chunk.LevelChunkSection;
+import net.minecraft.world.level.chunk.PalettedContainer;
+import org.bukkit.Chunk;
+import org.bukkit.World;
+
+public final class FeatureHooks {
+
+    public static void initChunkTaskScheduler(final boolean useParallelGen) {
+    }
+
+    public static void registerPaperCommands(final Map<Set<String>, PaperSubcommand> commands) {
+    }
+
+    public static LevelChunkSection createSection(final Registry<Biome> biomeRegistry, final Level level, final ChunkPos chunkPos, final int chunkSection) {
+        return new LevelChunkSection(biomeRegistry);
+    }
+
+    public static void sendChunkRefreshPackets(final List<ServerPlayer> playersInRange, final LevelChunk chunk) {
+        final ClientboundLevelChunkWithLightPacket refreshPacket = new ClientboundLevelChunkWithLightPacket(chunk, chunk.level.getLightEngine(), null, null);
+        for (final ServerPlayer player : playersInRange) {
+            if (player.connection == null) continue;
+
+            player.connection.send(refreshPacket);
+        }
+    }
+
+    public static PalettedContainer<BlockState> emptyPalettedBlockContainer() {
+        return new PalettedContainer<>(Block.BLOCK_STATE_REGISTRY, Blocks.AIR.defaultBlockState(), PalettedContainer.Strategy.SECTION_STATES);
+    }
+
+    public static Set<Long> getSentChunkKeys(final ServerPlayer player) {
+        final LongSet keys = new LongOpenHashSet();
+        player.getChunkTrackingView().forEach(pos -> keys.add(pos.longKey));
+        return LongSets.unmodifiable(keys);
+    }
+
+    public static Set<Chunk> getSentChunks(final ServerPlayer player) {
+        final ObjectSet<Chunk> chunks = new ObjectOpenHashSet<>();
+        final World world = player.serverLevel().getWorld();
+        player.getChunkTrackingView().forEach(pos -> {
+            final org.bukkit.Chunk chunk = world.getChunkAt(pos.longKey);
+            chunks.add(chunk);
+        });
+        return ObjectSets.unmodifiable(chunks);
+    }
+
+    public static boolean isChunkSent(final ServerPlayer player, final long chunkKey) {
+        return player.getChunkTrackingView().contains(new ChunkPos(chunkKey));
+    }
+
+    public static boolean isSpiderCollidingWithWorldBorder(final Spider spider) {
+        return true; // ca.spottedleaf.moonrise.patches.collisions.CollisionUtil.isCollidingWithBorder(spider.level().getWorldBorder(), spider.getBoundingBox().inflate(ca.spottedleaf.moonrise.patches.collisions.CollisionUtil.COLLISION_EPSILON))
+    }
+
+    public static void dumpTickingInfo() {
+    }
+
+    private static void dumpEntity(final Entity entity) {
+    }
+}