diff --git a/main/src/main/java/net/citizensnpcs/trait/waypoint/WanderWaypointProvider.java b/main/src/main/java/net/citizensnpcs/trait/waypoint/WanderWaypointProvider.java
index 24ca0d875..e11cf1fca 100644
--- a/main/src/main/java/net/citizensnpcs/trait/waypoint/WanderWaypointProvider.java
+++ b/main/src/main/java/net/citizensnpcs/trait/waypoint/WanderWaypointProvider.java
@@ -41,10 +41,10 @@ import net.citizensnpcs.util.Util;
 public class WanderWaypointProvider implements WaypointProvider {
     private WanderGoal currentGoal;
     @Persist
-    public int delay = -1;
+    private int delay = -1;
     private NPC npc;
     @Persist
-    public boolean pathfind = true;
+    private boolean pathfind = true;
     private boolean paused;
     @Persist
     private final List<Location> regionCentres = Lists.newArrayList();
@@ -53,9 +53,9 @@ public class WanderWaypointProvider implements WaypointProvider {
     private String worldguardRegion;
     private Object worldguardRegionCache;
     @Persist
-    public int xrange = DEFAULT_XRANGE;
+    private int xrange = DEFAULT_XRANGE;
     @Persist
-    public int yrange = DEFAULT_YRANGE;
+    private int yrange = DEFAULT_YRANGE;
 
     public void addRegionCentre(Location centre) {
         regionCentres.add(centre);
@@ -106,15 +106,12 @@ public class WanderWaypointProvider implements WaypointProvider {
                             range = 0;
                         }
                         if (message.startsWith("xrange")) {
-                            xrange = range;
+                            setXYRange(range, yrange);
                         } else {
-                            yrange = range;
-                        }
-                        if (currentGoal != null) {
-                            currentGoal.setXYRange(xrange, yrange);
+                            setXYRange(xrange, range);
                         }
                         recalculateTree();
-                    } catch (Exception ex) {
+                    } catch (NumberFormatException ex) {
                     }
                     Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
                             () -> Messaging.sendTr(sender, Messages.WANDER_WAYPOINTS_RANGE_SET, xrange, yrange));
@@ -136,17 +133,14 @@ public class WanderWaypointProvider implements WaypointProvider {
                     });
                 } else if (message.startsWith("delay")) {
                     event.setCancelled(true);
-                    delay = Util.parseTicks(message.split(" ")[1]);
-                    if (currentGoal != null) {
-                        currentGoal.setDelay(delay);
-                    }
+                    setDelay(Util.parseTicks(message.split(" ")[1]));
                     Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(),
                             () -> Messaging.sendTr(sender, Messages.WANDER_WAYPOINTS_DELAY_SET, delay));
                 } else if (message.startsWith("worldguardregion")) {
                     event.setCancelled(true);
                     Bukkit.getScheduler().scheduleSyncDelayedTask(CitizensAPI.getPlugin(), () -> {
                         Object region = null;
-                        String regionId = message.replace("worldguardregion ", "");
+                        String regionId = message.replace("worldguardregion", "").trim();
                         try {
                             RegionManager manager = WorldGuard.getInstance().getPlatform().getRegionContainer()
                                     .get(BukkitAdapter.adapt(npc.getStoredLocation().getWorld()));
@@ -158,7 +152,7 @@ public class WanderWaypointProvider implements WaypointProvider {
                             Messaging.sendErrorTr(sender, Messages.WANDER_WAYPOINTS_WORLDGUARD_REGION_NOT_FOUND);
                             return;
                         }
-                        WanderWaypointProvider.this.worldguardRegion = regionId;
+                        setWorldGuardRegion(regionId);
                         Messaging.sendErrorTr(sender, Messages.WANDER_WAYPOINTS_WORLDGUARD_REGION_SET, regionId);
                     });
                 } else if (message.startsWith("pathfind")) {
@@ -212,6 +206,10 @@ public class WanderWaypointProvider implements WaypointProvider {
         };
     }
 
+    public int getDelay() {
+        return delay;
+    }
+
     public List<Location> getRegionCentres() {
         return new RecalculateList();
     }
@@ -233,6 +231,18 @@ public class WanderWaypointProvider implements WaypointProvider {
         }
     }
 
+    public int getXRange() {
+        return xrange;
+    }
+
+    public int getYRange() {
+        return yrange;
+    }
+
+    public boolean isPathfind() {
+        return pathfind;
+    }
+
     @Override
     public boolean isPaused() {
         return paused;
@@ -298,6 +308,20 @@ public class WanderWaypointProvider implements WaypointProvider {
     public void save(DataKey key) {
     }
 
+    public void setDelay(int delay) {
+        this.delay = delay;
+        if (currentGoal != null) {
+            currentGoal.setDelay(delay);
+        }
+    }
+
+    public void setPathfind(boolean pathfind) {
+        this.pathfind = pathfind;
+        if (currentGoal != null) {
+            currentGoal.setPathfind(pathfind);
+        }
+    }
+
     @Override
     public void setPaused(boolean paused) {
         this.paused = paused;
diff --git a/v1_10_R1/src/main/java/net/citizensnpcs/nms/v1_10_R1/util/NMSImpl.java b/v1_10_R1/src/main/java/net/citizensnpcs/nms/v1_10_R1/util/NMSImpl.java
index 238d11262..ca1cec9bf 100644
--- a/v1_10_R1/src/main/java/net/citizensnpcs/nms/v1_10_R1/util/NMSImpl.java
+++ b/v1_10_R1/src/main/java/net/citizensnpcs/nms/v1_10_R1/util/NMSImpl.java
@@ -16,6 +16,7 @@ import java.util.Map;
 import java.util.Random;
 import java.util.Set;
 import java.util.function.Consumer;
+import java.util.function.Function;
 import java.util.function.Supplier;
 
 import org.bukkit.Bukkit;
@@ -55,7 +56,6 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -541,12 +541,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input -> input.getBukkitEntity());
     }
 
     @Override
@@ -609,19 +604,11 @@ public class NMSImpl implements NMSBridge {
     @Override
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
-        final PathEntity path = new PathEntity(
-                Iterables.toArray(Iterables.transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }), PathPoint.class));
-        return getTargetNavigator(entity, params, new Function<NavigationAbstract, Boolean>() {
-            @Override
-            public Boolean apply(NavigationAbstract input) {
-                return input.a(path, params.speed());
-            }
-        });
+        final PathEntity path = new PathEntity(Iterables.toArray(
+                Iterables.transform(dest,
+                        input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())),
+                PathPoint.class));
+        return getTargetNavigator(entity, params, input -> input.a(path, params.speed()));
     }
 
     @Override
diff --git a/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/NMSImpl.java b/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/NMSImpl.java
index ee32855ba..5d84e05f9 100644
--- a/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/NMSImpl.java
+++ b/v1_11_R1/src/main/java/net/citizensnpcs/nms/v1_11_R1/util/NMSImpl.java
@@ -55,7 +55,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -561,12 +561,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
@@ -630,12 +625,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         final PathEntity path = new PathEntity(
-                Iterables.toArray(Iterables.transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }), PathPoint.class));
+                Iterables.toArray(Iterables.transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())), PathPoint.class));
         return getTargetNavigator(entity, params, new Function<NavigationAbstract, Boolean>() {
             @Override
             public Boolean apply(NavigationAbstract input) {
diff --git a/v1_12_R1/src/main/java/net/citizensnpcs/nms/v1_12_R1/util/NMSImpl.java b/v1_12_R1/src/main/java/net/citizensnpcs/nms/v1_12_R1/util/NMSImpl.java
index 9aaa2b3a6..16d820273 100644
--- a/v1_12_R1/src/main/java/net/citizensnpcs/nms/v1_12_R1/util/NMSImpl.java
+++ b/v1_12_R1/src/main/java/net/citizensnpcs/nms/v1_12_R1/util/NMSImpl.java
@@ -55,7 +55,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -630,12 +630,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         final PathEntity path = new PathEntity(
-                Iterables.toArray(Iterables.transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }), PathPoint.class));
+                Iterables.toArray(Iterables.transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())), PathPoint.class));
         return getTargetNavigator(entity, params, new Function<NavigationAbstract, Boolean>() {
             @Override
             public Boolean apply(NavigationAbstract input) {
diff --git a/v1_13_R2/src/main/java/net/citizensnpcs/nms/v1_13_R2/util/NMSImpl.java b/v1_13_R2/src/main/java/net/citizensnpcs/nms/v1_13_R2/util/NMSImpl.java
index 3a02aa69d..54bf1397d 100644
--- a/v1_13_R2/src/main/java/net/citizensnpcs/nms/v1_13_R2/util/NMSImpl.java
+++ b/v1_13_R2/src/main/java/net/citizensnpcs/nms/v1_13_R2/util/NMSImpl.java
@@ -56,7 +56,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -589,12 +589,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
@@ -658,12 +653,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         final PathEntity path = new PathEntity(
-                Iterables.toArray(Iterables.transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }), PathPoint.class));
+                Iterables.toArray(Iterables.transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())), PathPoint.class));
         return getTargetNavigator(entity, params, new Function<NavigationAbstract, Boolean>() {
             @Override
             public Boolean apply(NavigationAbstract input) {
diff --git a/v1_14_R1/src/main/java/net/citizensnpcs/nms/v1_14_R1/util/NMSImpl.java b/v1_14_R1/src/main/java/net/citizensnpcs/nms/v1_14_R1/util/NMSImpl.java
index 8a169f383..d9fee4f5d 100644
--- a/v1_14_R1/src/main/java/net/citizensnpcs/nms/v1_14_R1/util/NMSImpl.java
+++ b/v1_14_R1/src/main/java/net/citizensnpcs/nms/v1_14_R1/util/NMSImpl.java
@@ -54,7 +54,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -626,12 +626,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
@@ -693,12 +688,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         List<PathPoint> list = Lists.<PathPoint> newArrayList(
-                Iterables.<Vector, PathPoint> transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }));
+                Iterables.<Vector, PathPoint> transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())));
         PathPoint last = list.size() > 0 ? list.get(list.size() - 1) : null;
         final PathEntity path = new PathEntity(list, last != null ? new BlockPosition(last.a, last.b, last.c) : null,
                 true);
diff --git a/v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/util/NMSImpl.java b/v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/util/NMSImpl.java
index 15efa1f16..458403c3d 100644
--- a/v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/util/NMSImpl.java
+++ b/v1_15_R1/src/main/java/net/citizensnpcs/nms/v1_15_R1/util/NMSImpl.java
@@ -54,7 +54,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.Iterables;
 import com.google.common.collect.Lists;
@@ -641,12 +641,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
@@ -708,12 +703,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         List<PathPoint> list = Lists.<PathPoint> newArrayList(
-                Iterables.<Vector, PathPoint> transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }));
+                Iterables.<Vector, PathPoint> transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())));
         PathPoint last = list.size() > 0 ? list.get(list.size() - 1) : null;
         final PathEntity path = new PathEntity(list, last != null ? new BlockPosition(last.a, last.b, last.c) : null,
                 true);
diff --git a/v1_16_R3/src/main/java/net/citizensnpcs/nms/v1_16_R3/util/NMSImpl.java b/v1_16_R3/src/main/java/net/citizensnpcs/nms/v1_16_R3/util/NMSImpl.java
index a29ce9aa8..2300e3f59 100644
--- a/v1_16_R3/src/main/java/net/citizensnpcs/nms/v1_16_R3/util/NMSImpl.java
+++ b/v1_16_R3/src/main/java/net/citizensnpcs/nms/v1_16_R3/util/NMSImpl.java
@@ -55,7 +55,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
@@ -657,12 +657,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
@@ -732,12 +727,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         List<PathPoint> list = Lists.<PathPoint> newArrayList(
-                Iterables.<Vector, PathPoint> transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }));
+                Iterables.<Vector, PathPoint> transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())));
         PathPoint last = list.size() > 0 ? list.get(list.size() - 1) : null;
         final PathEntity path = new PathEntity(list, last != null ? new BlockPosition(last.a, last.b, last.c) : null,
                 true);
diff --git a/v1_17_R1/src/main/java/net/citizensnpcs/nms/v1_17_R1/util/NMSImpl.java b/v1_17_R1/src/main/java/net/citizensnpcs/nms/v1_17_R1/util/NMSImpl.java
index e63696459..bc00e6bcd 100644
--- a/v1_17_R1/src/main/java/net/citizensnpcs/nms/v1_17_R1/util/NMSImpl.java
+++ b/v1_17_R1/src/main/java/net/citizensnpcs/nms/v1_17_R1/util/NMSImpl.java
@@ -52,7 +52,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
@@ -666,12 +666,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
diff --git a/v1_18_R2/src/main/java/net/citizensnpcs/nms/v1_18_R2/util/NMSImpl.java b/v1_18_R2/src/main/java/net/citizensnpcs/nms/v1_18_R2/util/NMSImpl.java
index 795956362..6457798d9 100644
--- a/v1_18_R2/src/main/java/net/citizensnpcs/nms/v1_18_R2/util/NMSImpl.java
+++ b/v1_18_R2/src/main/java/net/citizensnpcs/nms/v1_18_R2/util/NMSImpl.java
@@ -52,7 +52,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
@@ -672,12 +672,7 @@ public class NMSImpl implements NMSBridge {
         Entity handle = NMSImpl.getHandle(entity);
         if (handle == null || handle.passengers == null)
             return Lists.newArrayList();
-        return Lists.transform(handle.passengers, new Function<Entity, org.bukkit.entity.Entity>() {
-            @Override
-            public org.bukkit.entity.Entity apply(Entity input) {
-                return input.getBukkitEntity();
-            }
-        });
+        return Lists.transform(handle.passengers, input->input.getBukkitEntity());
     }
 
     @Override
diff --git a/v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/NMSImpl.java b/v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/NMSImpl.java
index 2ee1fb39a..abc07fe20 100644
--- a/v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/NMSImpl.java
+++ b/v1_8_R3/src/main/java/net/citizensnpcs/nms/v1_8_R3/util/NMSImpl.java
@@ -52,7 +52,7 @@ import org.bukkit.inventory.meta.SkullMeta;
 import org.bukkit.scoreboard.Team;
 import org.bukkit.util.Vector;
 
-import com.google.common.base.Function;
+import java.util.function.Function;
 import com.google.common.base.Preconditions;
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.Iterables;
@@ -558,12 +558,7 @@ public class NMSImpl implements NMSBridge {
     public MCNavigator getTargetNavigator(org.bukkit.entity.Entity entity, Iterable<Vector> dest,
             final NavigatorParameters params) {
         final PathEntity path = new PathEntity(
-                Iterables.toArray(Iterables.transform(dest, new Function<Vector, PathPoint>() {
-                    @Override
-                    public PathPoint apply(Vector input) {
-                        return new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ());
-                    }
-                }), PathPoint.class));
+                Iterables.toArray(Iterables.transform(dest, input -> new PathPoint(input.getBlockX(), input.getBlockY(), input.getBlockZ())), PathPoint.class));
         return getTargetNavigator(entity, params, new Function<NavigationAbstract, Boolean>() {
             @Override
             public Boolean apply(NavigationAbstract input) {