Add additional checkstyle checks

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/event/enchantment/EnchantItemEvent.java

@@ -23,7 +23,7 @@ public class EnchantItemEvent extends InventoryEvent implements Cancellable {
     private final ItemStack item;
     private int level;
     private boolean cancelled;
-    private final Map<Enchantment,Integer> enchants;
+    private final Map<Enchantment, Integer> enchants;
     private final Player enchanter;
     private final int button;
 

paper-api/src/main/java/org/bukkit/event/entity/EntityTargetLivingEntityEvent.java

@@ -9,7 +9,7 @@ import org.jetbrains.annotations.Nullable;
  * Called when an Entity targets a {@link LivingEntity} and can only target
  * LivingEntity's.
  */
-public class EntityTargetLivingEntityEvent extends EntityTargetEvent{
+public class EntityTargetLivingEntityEvent extends EntityTargetEvent {
     public EntityTargetLivingEntityEvent(@NotNull final Entity entity, @Nullable final LivingEntity target, @Nullable final TargetReason reason) {
         super(entity, target, reason);
     }

paper-api/src/main/java/org/bukkit/event/entity/PlayerLeashEntityEvent.java

@@ -71,6 +71,6 @@ public class PlayerLeashEntityEvent extends Event implements Cancellable {
 
     @Override
     public void setCancelled(boolean cancel) {
-        this.cancelled  = cancel;
+        this.cancelled = cancel;
     }
 }

paper-api/src/main/java/org/bukkit/event/inventory/InventoryType.java

@@ -25,11 +25,11 @@ public enum InventoryType {
      * A chest inventory, with 0, 9, 18, 27, 36, 45, or 54 slots of type
      * CONTAINER.
      */
-    CHEST(27,"Chest"),
+    CHEST(27, "Chest"),
     /**
      * A dispenser inventory, with 9 slots of type CONTAINER.
      */
-    DISPENSER(9,"Dispenser"),
+    DISPENSER(9, "Dispenser"),
     /**
      * A dropper inventory, with 9 slots of type CONTAINER.
      */
@@ -38,45 +38,45 @@ public enum InventoryType {
      * A furnace inventory, with a RESULT slot, a CRAFTING slot, and a FUEL
      * slot.
      */
-    FURNACE(3,"Furnace"),
+    FURNACE(3, "Furnace"),
     /**
      * A workbench inventory, with 9 CRAFTING slots and a RESULT slot.
      */
-    WORKBENCH(10,"Crafting"),
+    WORKBENCH(10, "Crafting"),
     /**
      * A player's crafting inventory, with 4 CRAFTING slots and a RESULT slot.
      * Also implies that the 4 ARMOR slots are accessible.
      */
-    CRAFTING(5,"Crafting", false),
+    CRAFTING(5, "Crafting", false),
     /**
      * An enchantment table inventory, with two CRAFTING slots and three
      * enchanting buttons.
      */
-    ENCHANTING(2,"Enchanting"),
+    ENCHANTING(2, "Enchanting"),
     /**
      * A brewing stand inventory, with one FUEL slot and four CRAFTING slots.
      */
-    BREWING(5,"Brewing"),
+    BREWING(5, "Brewing"),
     /**
      * A player's inventory, with 9 QUICKBAR slots, 27 CONTAINER slots, 4 ARMOR
      * slots and 1 offhand slot. The ARMOR and offhand slots may not be visible
      * to the player, though.
      */
-    PLAYER(41,"Player"),
+    PLAYER(41, "Player"),
     /**
      * The creative mode inventory, with only 9 QUICKBAR slots and nothing
      * else. (The actual creative interface with the items is client-side and
      * cannot be altered by the server.)
      */
-    CREATIVE(9,"Creative", false),
+    CREATIVE(9, "Creative", false),
     /**
      * The merchant inventory, with 2 CRAFTING slots, and 1 RESULT slot.
      */
-    MERCHANT(3,"Villager", false),
+    MERCHANT(3, "Villager", false),
     /**
      * The ender chest inventory, with 27 slots.
      */
-    ENDER_CHEST(27,"Ender Chest"),
+    ENDER_CHEST(27, "Ender Chest"),
     /**
      * An anvil inventory, with 2 CRAFTING slots and 1 RESULT slot
      */

paper-api/src/main/java/org/bukkit/event/player/PlayerChatEvent.java

@@ -20,7 +20,7 @@ import org.jetbrains.annotations.NotNull;
  *     alternative for thread safe implementations.
  */
 @Deprecated
-@Warning(reason="Listening to this event forces chat to wait for the main thread, delaying chat messages.")
+@Warning(reason = "Listening to this event forces chat to wait for the main thread, delaying chat messages.")
 public class PlayerChatEvent extends PlayerEvent implements Cancellable {
     private static final HandlerList handlers = new HandlerList();
     private boolean cancel = false;

paper-api/src/main/java/org/bukkit/event/player/PlayerEggThrowEvent.java

@@ -70,7 +70,7 @@ public class PlayerEggThrowEvent extends PlayerEvent {
      * @param hatchType The type of the mob being hatched by the egg
      */
     public void setHatchingType(@NotNull EntityType hatchType) {
-        if(!hatchType.isSpawnable()) throw new IllegalArgumentException("Can't spawn that entity type from an egg!");
+        if (!hatchType.isSpawnable()) throw new IllegalArgumentException("Can't spawn that entity type from an egg!");
         this.hatchType = hatchType;
     }
 

paper-api/src/main/java/org/bukkit/event/player/PlayerPreLoginEvent.java

@@ -15,7 +15,7 @@ import org.jetbrains.annotations.NotNull;
  *     asynchronous.
  */
 @Deprecated
-@Warning(reason="This event causes a login thread to synchronize with the main thread")
+@Warning(reason = "This event causes a login thread to synchronize with the main thread")
 public class PlayerPreLoginEvent extends Event {
     private static final HandlerList handlers = new HandlerList();
     private Result result;