Generic cleanup of warnings, whitespace and style.

By: Erik Broes <erikbroes@grum.nl>

paper-api/src/main/java/org/bukkit/Art.java

@@ -6,34 +6,34 @@ import java.util.HashMap;
  * Represents the art on a painting
  */
 public enum Art {
-    KEBAB(0,1,1),
+    KEBAB(0, 1, 1),
-    AZTEC(1,1,1),
+    AZTEC(1, 1, 1),
-    ALBAN(2,1,1),
+    ALBAN(2, 1, 1),
-    AZTEC2(3,1,1),
+    AZTEC2(3, 1, 1),
-    BOMB(4,1,1),
+    BOMB(4, 1, 1),
-    PLANT(5,1,1),
+    PLANT(5, 1, 1),
-    WASTELAND(6,1,1),
+    WASTELAND(6, 1, 1),
-    POOL(7,2,1),
+    POOL(7, 2, 1),
-    COURBET(8,2,1),
+    COURBET(8, 2, 1),
-    SEA(9,2,1),
+    SEA(9, 2, 1),
-    SUNSET(10,2,1),
+    SUNSET(10, 2, 1),
-    CREEBET(11,2,1),
+    CREEBET(11, 2, 1),
-    WANDERER(12,1,2),
+    WANDERER(12, 1, 2),
-    GRAHAM(13,1,2),
+    GRAHAM(13, 1, 2),
-    MATCH(14,4,2),
+    MATCH(14, 4, 2),
-    BUST(15,2,2),
+    BUST(15, 2, 2),
-    STAGE(16,2,2),
+    STAGE(16, 2, 2),
-    VOID(17,2,2),
+    VOID(17, 2, 2),
-    SKULL_AND_ROSES(18,2,2),
+    SKULL_AND_ROSES(18, 2, 2),
-    FIGHTERS(19,2,2),
+    FIGHTERS(19, 2, 2),
-    POINTER(20,4,4),
+    POINTER(20, 4, 4),
-    PIGSCENE(21,4,4),
+    PIGSCENE(21, 4, 4),
-    BURNINGSKULL(22,4,4),
+    BURNINGSKULL(22, 4, 4),
-    SKELETON(23,4,3),
+    SKELETON(23, 4, 3),
-    DONKEYKONG(24,4,3);
+    DONKEYKONG(24, 4, 3);
     private int id, width, height;
-    private static HashMap<String,Art> names = new HashMap<String,Art>();
+    private static HashMap<String, Art> names = new HashMap<String, Art>();
-    private static HashMap<Integer,Art> ids = new HashMap<Integer,Art>();
+    private static HashMap<Integer, Art> ids = new HashMap<Integer, Art>();
     static {
         for (Art art : Art.values()) {
             ids.put(art.id, art);

paper-api/src/main/java/org/bukkit/BlockChangeDelegate.java

@@ -32,6 +32,7 @@ public interface BlockChangeDelegate {
 
     /**
      * Get the block type at the location.
+     *
      * @param x X coordinate
      * @param y Y coordinate
      * @param z Z coordinate

paper-api/src/main/java/org/bukkit/Chunk.java

@@ -42,12 +42,14 @@ public interface Chunk {
 
     /**
      * Capture thread-safe read-only snapshot of chunk data
+     *
      * @return ChunkSnapshot
      */
     ChunkSnapshot getChunkSnapshot();
 
     /**
      * Capture thread-safe read-only snapshot of chunk data
+     *
      * @param includeMaxblocky - if true, snapshot includes per-coordinate maximum Y values
      * @param includeBiome - if true, snapshot includes per-coordinate biome type
      * @param includeBiomeTempRain - if true, snapshot includes per-coordinate raw biome temperature and rainfall
@@ -57,12 +59,14 @@ public interface Chunk {
 
     /**
      * Get a list of all entities in the chunk.
+     *
      * @return The entities.
      */
     Entity[] getEntities();
 
     /**
      * Get a list of all tile entities in the chunk.
+     *
      * @return The tile entities.
      */
     BlockState[] getTileEntities();

paper-api/src/main/java/org/bukkit/ChunkSnapshot.java

@@ -1,6 +1,7 @@
 package org.bukkit;
 
 import org.bukkit.block.Biome;
+
 /**
  * Represents a static, thread-safe snapshot of chunk of blocks
  * Purpose is to allow clean, efficient copy of a chunk data to be made, and then handed off for processing in another thread (e.g. map rendering)
@@ -106,6 +107,7 @@ public interface ChunkSnapshot {
 
     /**
      * Get world full time when chunk snapshot was captured
+     *
      * @return time in ticks
      */
     long getCaptureFullTime();

paper-api/src/main/java/org/bukkit/Location.java

@@ -241,7 +241,7 @@ public class Location implements Cloneable {
         return this;
     }
 
-     /**
+    /**
      * Adds the location by a vector.
      *
      * @see Vector
@@ -290,7 +290,7 @@ public class Location implements Cloneable {
         return this;
     }
 
-     /**
+    /**
      * Subtracts the location by a vector.
      *
      * @see Vector
@@ -348,7 +348,7 @@ public class Location implements Cloneable {
     }
 
     /**
-     * Get the distance between this location and another.  The value
+     * Get the distance between this location and another. The value
      * of this method is not cached and uses a costly square-root function, so
      * do not repeatedly call this method to get the location's magnitude. NaN
      * will be returned if the inner result of the sqrt() function overflows,

paper-api/src/main/java/org/bukkit/Server.java

@@ -304,7 +304,7 @@ public interface Server {
      */
     public World createWorld(WorldCreator creator);
 
-     /**
+    /**
      * Unloads a world with the given name.
      *
      * @param name Name of the world to unload
@@ -398,6 +398,7 @@ public interface Server {
 
     /**
      * Adds a recipe to the crafting manager.
+     *
      * @param recipe The recipe to add.
      * @return True to indicate that the recipe was added.
      */

paper-api/src/main/java/org/bukkit/World.java

@@ -552,12 +552,14 @@ public interface World {
 
     /**
      * Gets the current PVP setting for this world.
+     *
      * @return True if PVP is enabled
      */
     public boolean getPVP();
 
     /**
      * Sets the PVP setting for this world.
+     *
      * @param pvp True/False whether PVP should be Enabled.
      */
     public void setPVP(boolean pvp);
@@ -613,7 +615,8 @@ public interface World {
 
     /**
      * Get empty chunk snapshot (equivalent to all air blocks), optionally including valid biome
-     * data.  Used for representing an ungenerated chunk, or for fetching only biome data without loading a chunk.
+     * data. Used for representing an ungenerated chunk, or for fetching only biome data without loading a chunk.
+     *
      * @param x - chunk x coordinate
      * @param z - chunk z coordinate
      * @param includeBiome - if true, snapshot includes per-coordinate biome type
@@ -706,10 +709,10 @@ public interface World {
     public boolean getKeepSpawnInMemory();
 
     /**
-    * Sets whether the world's spawn area should be kept loaded into memory or not.
+     * Sets whether the world's spawn area should be kept loaded into memory or not.
-    *
+     *
-    * @param keepLoaded if true then the world's spawn area will be kept loaded into memory.
+     * @param keepLoaded if true then the world's spawn area will be kept loaded into memory.
-    */
+     */
     public void setKeepSpawnInMemory(boolean keepLoaded);
 
     /**

paper-api/src/main/java/org/bukkit/block/Block.java

@@ -23,12 +23,14 @@ public interface Block {
     /**
      * @deprecated use {@link #getRelative(BlockFace face)}
      */
-    @Deprecated Block getFace(BlockFace face);
+    @Deprecated
+    Block getFace(BlockFace face);
 
     /**
      * @deprecated use {@link #getRelative(BlockFace face, int distance)}
      */
-    @Deprecated Block getFace(BlockFace face, int distance);
+    @Deprecated
+    Block getFace(BlockFace face, int distance);
 
     /**
      * Gets the block at the given offsets
@@ -56,8 +58,9 @@ public interface Block {
      * <br />
      * For example, the following method places water at 100,102,100; two blocks
      * above 100,100,100.
+     *
      * <pre>
-     * Block block = world.getBlockAt(100,100,100);
+     * Block block = world.getBlockAt(100, 100, 100);
      * Block shower = block.getFace(BlockFace.UP, 2);
      * shower.setType(Material.WATER);
      * </pre>
@@ -164,12 +167,14 @@ public interface Block {
      * Gets the face relation of this block compared to the given block<br />
      * <br />
      * For example:
+     *
      * <pre>
      * Block current = world.getBlockAt(100, 100, 100);
      * Block target = world.getBlockAt(100, 101, 100);
      *
      * current.getFace(target) == BlockFace.Up;
      * </pre>
+     *
      * <br />
      * If the given block is not connected to this block, null may be returned
      *

paper-api/src/main/java/org/bukkit/block/BlockFace.java

@@ -42,6 +42,7 @@ public enum BlockFace {
 
     /**
      * Get the amount of X-coordinates to modify to get the represented block
+     *
      * @return Amount of X-coordinates to modify
      */
     public int getModX() {
@@ -50,6 +51,7 @@ public enum BlockFace {
 
     /**
      * Get the amount of Y-coordinates to modify to get the represented block
+     *
      * @return Amount of Y-coordinates to modify
      */
     public int getModY() {
@@ -58,6 +60,7 @@ public enum BlockFace {
 
     /**
      * Get the amount of Z-coordinates to modify to get the represented block
+     *
      * @return Amount of Z-coordinates to modify
      */
     public int getModZ() {

paper-api/src/main/java/org/bukkit/block/Jukebox.java

@@ -8,24 +8,28 @@ import org.bukkit.Material;
 public interface Jukebox extends BlockState {
     /**
      * Get the record currently playing
+     *
      * @return The record Material, or AIR if none is playing
      */
     public Material getPlaying();
 
     /**
      * Set the record currently playing
+     *
      * @param record The record Material, or null/AIR to stop playing
      */
     public void setPlaying(Material record);
 
     /**
      * Check if the jukebox is currently playing a record
+     *
      * @return True if there is a record playing
      */
     public boolean isPlaying();
 
     /**
      * Stop the jukebox playing and eject the current record
+     *
      * @return True if a record was ejected; false if there was none playing
      */
     public boolean eject();

paper-api/src/main/java/org/bukkit/block/PistonMoveReaction.java

@@ -11,7 +11,7 @@ public enum PistonMoveReaction {
     private int id;
     private static Map<Integer, PistonMoveReaction> byId = new HashMap<Integer, PistonMoveReaction>();
     static {
-        for (PistonMoveReaction reaction: PistonMoveReaction.values()) {
+        for (PistonMoveReaction reaction : PistonMoveReaction.values()) {
             byId.put(reaction.id, reaction);
         }
     }

paper-api/src/main/java/org/bukkit/command/Command.java

@@ -149,7 +149,6 @@ public abstract class Command {
         return false;
     }
 
-
     private boolean allowChangesFrom(CommandMap commandMap) {
         return (null == this.commandMap || this.commandMap == commandMap);
     }
@@ -237,7 +236,7 @@ public abstract class Command {
 
         for (Permissible user : users) {
             if (user instanceof CommandSender) {
-                CommandSender target = (CommandSender)user;
+                CommandSender target = (CommandSender) user;
 
                 if (target instanceof ConsoleCommandSender) {
                     target.sendMessage(result);

paper-api/src/main/java/org/bukkit/command/CommandException.java

@@ -3,6 +3,7 @@ package org.bukkit.command;
 /**
  * Thrown when an unhandled exception occurs during the execution of a Command
  */
+@SuppressWarnings("serial")
 public class CommandException extends RuntimeException {
 
     /**
@@ -12,6 +13,7 @@ public class CommandException extends RuntimeException {
 
     /**
      * Constructs an instance of <code>CommandException</code> with the specified detail message.
+     *
      * @param msg the detail message.
      */
     public CommandException(String msg) {

paper-api/src/main/java/org/bukkit/command/ConsoleCommandSender.java

@@ -1,4 +1,4 @@
 package org.bukkit.command;
 
-public interface ConsoleCommandSender extends CommandSender{
+public interface ConsoleCommandSender extends CommandSender {
 }

paper-api/src/main/java/org/bukkit/command/MultipleCommandAlias.java

@@ -1,4 +1,3 @@
-
 package org.bukkit.command;
 
 /**

paper-api/src/main/java/org/bukkit/command/PluginCommand.java

@@ -43,7 +43,7 @@ public final class PluginCommand extends Command {
         }
 
         if (!success && usageMessage.length() > 0) {
-            for (String line: usageMessage.replace("<command>", commandLabel).split("\n")) {
+            for (String line : usageMessage.replace("<command>", commandLabel).split("\n")) {
                 sender.sendMessage(line);
             }
         }

paper-api/src/main/java/org/bukkit/command/RemoteConsoleCommandSender.java

@@ -1,4 +1,4 @@
 package org.bukkit.command;
 
-public interface RemoteConsoleCommandSender extends CommandSender{
+public interface RemoteConsoleCommandSender extends CommandSender {
 }

paper-api/src/main/java/org/bukkit/command/SimpleCommandMap.java

@@ -79,7 +79,7 @@ public class SimpleCommandMap implements CommandMap {
     public boolean register(String label, String fallbackPrefix, Command command) {
         boolean registeredPassedLabel = register(label, fallbackPrefix, command, false);
 
-        Iterator iterator = command.getAliases().iterator();
+        Iterator<String> iterator = command.getAliases().iterator();
         while (iterator.hasNext()) {
             if (!register((String) iterator.next(), fallbackPrefix, command, true)) {
                 iterator.remove();
@@ -94,12 +94,13 @@ public class SimpleCommandMap implements CommandMap {
 
     /**
      * Registers a command with the given name is possible, otherwise uses fallbackPrefix to create a unique name if its not an alias
+     *
      * @param name the name of the command, without the '/'-prefix.
      * @param fallbackPrefix a prefix which is prepended to the command with a ':' one or more times to make the command unique
      * @param command the command to register
      * @return true if command was registered with the passed in label, false otherwise.
-     * If isAlias was true a return of false indicates no command was registerd
+     *         If isAlias was true a return of false indicates no command was registerd
-     * If isAlias was false a return of false indicates the fallbackPrefix was used one or more times to create a unique name for the command
+     *         If isAlias was false a return of false indicates the fallbackPrefix was used one or more times to create a unique name for the command
      */
     private synchronized boolean register(String label, String fallbackPrefix, Command command, boolean isAlias) {
         String lowerLabel = label.trim().toLowerCase();

paper-api/src/main/java/org/bukkit/command/defaults/DeopCommand.java

@@ -29,7 +29,7 @@ public class DeopCommand extends VanillaCommand {
         player.setOp(false);
 
         if (player instanceof Player) {
-            ((Player)player).sendMessage(ChatColor.YELLOW + "You are no longer op!");
+            ((Player) player).sendMessage(ChatColor.YELLOW + "You are no longer op!");
         }
 
         return true;

paper-api/src/main/java/org/bukkit/command/defaults/ExpCommand.java

@@ -28,7 +28,7 @@ public class ExpCommand extends VanillaCommand {
             try {
                 int exp = Integer.parseInt(args[1]);
 
-                Command.broadcastCommandMessage(sender, "Giving " + exp + " exp to " +  player.getName());
+                Command.broadcastCommandMessage(sender, "Giving " + exp + " exp to " + player.getName());
 
                 player.giveExp(exp);
             } catch (NumberFormatException ex) {

paper-api/src/main/java/org/bukkit/command/defaults/KillCommand.java

@@ -18,7 +18,7 @@ public class KillCommand extends VanillaCommand {
         if (!testPermission(sender)) return true;
 
         if (sender instanceof Player) {
-            Player player = (Player)sender;
+            Player player = (Player) sender;
 
             EntityDamageEvent ede = new EntityDamageEvent(player, EntityDamageEvent.DamageCause.SUICIDE, 1000);
             Bukkit.getPluginManager().callEvent(ede);

paper-api/src/main/java/org/bukkit/command/defaults/MeCommand.java

@@ -23,10 +23,10 @@ public class MeCommand extends VanillaCommand {
         StringBuilder message = new StringBuilder();
         message.append(sender.getName());
         if (args.length > 0) {
-	        for (int i = 0; i < args.length; i++) {
+            for (String arg : args) {
-	            message.append(" ");
+                message.append(" ");
-	            message.append(args[i]);
+                message.append(arg);
-	        }
+            }
         }
 
         Bukkit.broadcastMessage("* " + message.toString());

paper-api/src/main/java/org/bukkit/command/defaults/OpCommand.java

@@ -29,7 +29,7 @@ public class OpCommand extends VanillaCommand {
         player.setOp(true);
 
         if (player instanceof Player) {
-            ((Player)player).sendMessage(ChatColor.YELLOW + "You are now op!");
+            ((Player) player).sendMessage(ChatColor.YELLOW + "You are now op!");
         }
 
         return true;

paper-api/src/main/java/org/bukkit/command/defaults/SayCommand.java

@@ -23,11 +23,11 @@ public class SayCommand extends VanillaCommand {
 
         StringBuilder message = new StringBuilder();
         if (args.length > 0) {
-	        message.append(args[0]);
+            message.append(args[0]);
-	        for (int i = 1; i < args.length; i++) {
+            for (int i = 1; i < args.length; i++) {
-	            message.append(" ");
+                message.append(" ");
-	            message.append(args[i]);
+                message.append(args[i]);
-	        }
+            }
         }
 
         if (!(sender instanceof ConsoleCommandSender)) {

paper-api/src/main/java/org/bukkit/command/defaults/TimeCommand.java

@@ -15,7 +15,7 @@ public class TimeCommand extends VanillaCommand {
 
     @Override
     public boolean execute(CommandSender sender, String currentAlias, String[] args) {
-        if (args.length != 2)  {
+        if (args.length != 2) {
             sender.sendMessage(ChatColor.RED + "Incorrect usage. Correct usage:\n" + usageMessage);
             return false;
         }

paper-api/src/main/java/org/bukkit/command/defaults/ToggleDownfallCommand.java

@@ -29,7 +29,7 @@ public class ToggleDownfallCommand extends VanillaCommand {
                 return true;
             }
         } else if (sender instanceof Player) {
-            world = ((Player)sender).getWorld();
+            world = ((Player) sender).getWorld();
         } else {
             world = Bukkit.getWorlds().get(0);
         }

paper-api/src/main/java/org/bukkit/configuration/ConfigurationSection.java

@@ -213,7 +213,6 @@ public interface ConfigurationSection {
      */
     public boolean isString(String path);
 
-
     /**
      * Gets the requested int by path.
      * <p>
@@ -250,7 +249,6 @@ public interface ConfigurationSection {
      */
     public boolean isInt(String path);
 
-
     /**
      * Gets the requested boolean by path.
      * <p>
@@ -287,7 +285,6 @@ public interface ConfigurationSection {
      */
     public boolean isBoolean(String path);
 
-
     /**
      * Gets the requested double by path.
      * <p>
@@ -324,7 +321,6 @@ public interface ConfigurationSection {
      */
     public boolean isDouble(String path);
 
-
     /**
      * Gets the requested long by path.
      * <p>
@@ -361,8 +357,6 @@ public interface ConfigurationSection {
      */
     public boolean isLong(String path);
 
-
-
     // Java
     /**
      * Gets the requested List by path.
@@ -374,6 +368,7 @@ public interface ConfigurationSection {
      * @param path Path of the List to get.
      * @return Requested List.
      */
+    @SuppressWarnings("rawtypes")
     public List getList(String path);
 
     /**
@@ -385,7 +380,8 @@ public interface ConfigurationSection {
      * @param path Path of the List to get.
      * @return Requested List.
      */
-    public List getList(String path, List def);
+    @SuppressWarnings("rawtypes")
+    public List getList(String path, List<?> def);
 
     /**
      * Checks if the specified path is a List.
@@ -400,7 +396,6 @@ public interface ConfigurationSection {
      */
     public boolean isList(String path);
 
-
     /**
      * Gets the requested List of String by path.
      * <p>
@@ -551,7 +546,6 @@ public interface ConfigurationSection {
      */
     public List<Map<String, Object>> getMapList(String path);
 
-
     // Bukkit
     /**
      * Gets the requested Vector by path.
@@ -589,7 +583,6 @@ public interface ConfigurationSection {
      */
     public boolean isVector(String path);
 
-
     /**
      * Gets the requested OfflinePlayer by path.
      * <p>
@@ -626,7 +619,6 @@ public interface ConfigurationSection {
      */
     public boolean isOfflinePlayer(String path);
 
-
     /**
      * Gets the requested ItemStack by path.
      * <p>
@@ -663,7 +655,6 @@ public interface ConfigurationSection {
      */
     public boolean isItemStack(String path);
 
-
     /**
      * Gets the requested ConfigurationSection by path.
      * <p>

paper-api/src/main/java/org/bukkit/configuration/InvalidConfigurationException.java

@@ -3,6 +3,7 @@ package org.bukkit.configuration;
 /**
  * Exception thrown when attempting to load an invalid {@link Configuration}
  */
+@SuppressWarnings("serial")
 public class InvalidConfigurationException extends Exception {
     /**
      * Creates a new instance of InvalidConfigurationException without a message or cause.

paper-api/src/main/java/org/bukkit/configuration/MemoryConfigurationOptions.java

@@ -10,7 +10,7 @@ public class MemoryConfigurationOptions extends ConfigurationOptions {
 
     @Override
     public MemoryConfiguration configuration() {
-        return (MemoryConfiguration)super.configuration();
+        return (MemoryConfiguration) super.configuration();
     }
 
     @Override

paper-api/src/main/java/org/bukkit/configuration/MemorySection.java

@@ -40,7 +40,7 @@ public class MemorySection implements ConfigurationSection {
         this.path = "";
         this.fullPath = "";
         this.parent = null;
-        this.root = (Configuration)this;
+        this.root = (Configuration) this;
     }
 
     /**
@@ -169,9 +169,7 @@ public class MemorySection implements ConfigurationSection {
         String[] split = path.split(Pattern.quote(Character.toString(getRoot().options().pathSeparator())));
         ConfigurationSection section = this;
 
-        if (path == null) {
+        if (path.length() == 0) {
-            throw new IllegalArgumentException("Path cannot be null");
-        } else if (path.length() == 0) {
             throw new IllegalArgumentException("Cannot set to an empty path");
         }
 
@@ -230,11 +228,8 @@ public class MemorySection implements ConfigurationSection {
         if (section == this) {
             result = map.get(key);
             return (result == null) ? def : result;
-        } else if (section != null) {
-            return section.get(key, def);
-        } else {
-            return def;
         }
+        return section.get(key, def);
     }
 
     public ConfigurationSection createSection(String path) {
@@ -268,12 +263,13 @@ public class MemorySection implements ConfigurationSection {
         }
     }
 
+    @SuppressWarnings("unchecked")
     public ConfigurationSection createSection(String path, Map<String, Object> map) {
         ConfigurationSection section = createSection(path);
 
-        for(Map.Entry<String, Object> entry : map.entrySet()) {
+        for (Map.Entry<String, Object> entry : map.entrySet()) {
-            if(entry.getValue() instanceof Map) {
+            if (entry.getValue() instanceof Map) {
-                section.createSection(entry.getKey(), (Map<String, Object>)entry.getValue());
+                section.createSection(entry.getKey(), (Map<String, Object>) entry.getValue());
             } else {
                 section.set(entry.getKey(), entry.getValue());
             }
@@ -343,7 +339,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object def = getDefault(path);
-        return getBoolean(path, (def instanceof Boolean) ? (Boolean)def : false);
+        return getBoolean(path, (def instanceof Boolean) ? (Boolean) def : false);
     }
 
     public boolean getBoolean(String path, boolean def) {
@@ -352,7 +348,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object val = get(path, def);
-        return (val instanceof Boolean) ? (Boolean)val : def;
+        return (val instanceof Boolean) ? (Boolean) val : def;
     }
 
     public boolean isBoolean(String path) {
@@ -418,23 +414,25 @@ public class MemorySection implements ConfigurationSection {
         return val instanceof Long;
     }
 
-// Java
+    // Java
-    public List getList(String path) {
+    @SuppressWarnings("unchecked")
+    public List<Object> getList(String path) {
         if (path == null) {
             throw new IllegalArgumentException("Path cannot be null");
         }
 
         Object def = getDefault(path);
-        return getList(path, (def instanceof List) ? (List)def : null);
+        return getList(path, (def instanceof List) ? (List<Object>) def : null);
     }
 
-    public List getList(String path, List def) {
+    @SuppressWarnings("unchecked")
+    public List<Object> getList(String path, List<?> def) {
         if (path == null) {
             throw new IllegalArgumentException("Path cannot be null");
         }
 
         Object val = get(path, def);
-        return (val instanceof List) ? (List)val : def;
+        return (List<Object>) ((val instanceof List) ? val : def);
     }
 
     public boolean isList(String path) {
@@ -457,7 +455,7 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<String> result = new ArrayList();
+        List<String> result = new ArrayList<String>();
 
         for (Object object : list) {
             if ((object instanceof String) || (isPrimitiveWrapper(object))) {
@@ -479,29 +477,30 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Integer> result = new ArrayList();
+        List<Integer> result = new ArrayList<Integer>();
 
         for (Object object : list) {
             if (object instanceof Integer) {
-                result.add((Integer)object);
+                result.add((Integer) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Integer.valueOf((String)object));
+                    result.add(Integer.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Integer)(int)(byte)(Byte)object);
+                result.add((Integer) (int) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Integer)(int)(char)(Character)object);
+                result.add((Integer) (int) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Integer)(int)(short)(Short)object);
+                result.add((Integer) (int) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Integer)(int)(int)(Integer)object);
+                result.add((Integer) (int) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Integer)(int)(long)(Long)object);
+                result.add((Integer) (int) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Integer)(int)(float)(Float)object);
+                result.add((Integer) (int) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Integer)(int)(double)(Double)object);
+                result.add((Integer) (int) (double) (Double) object);
             }
         }
 
@@ -519,11 +518,11 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Boolean> result = new ArrayList();
+        List<Boolean> result = new ArrayList<Boolean>();
 
         for (Object object : list) {
             if (object instanceof Boolean) {
-                result.add((Boolean)object);
+                result.add((Boolean) object);
             } else if (object instanceof String) {
                 if (Boolean.TRUE.toString().equals(object)) {
                     result.add(true);
@@ -547,29 +546,30 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Double> result = new ArrayList();
+        List<Double> result = new ArrayList<Double>();
 
         for (Object object : list) {
             if (object instanceof Double) {
-                result.add((Double)object);
+                result.add((Double) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Double.valueOf((String)object));
+                    result.add(Double.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Double)(double)(byte)(Byte)object);
+                result.add((Double) (double) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Double)(double)(char)(Character)object);
+                result.add((Double) (double) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Double)(double)(short)(Short)object);
+                result.add((Double) (double) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Double)(double)(int)(Integer)object);
+                result.add((Double) (double) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Double)(double)(long)(Long)object);
+                result.add((Double) (double) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Double)(double)(float)(Float)object);
+                result.add((Double) (double) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Double)(double)(double)(Double)object);
+                result.add((Double) (double) (double) (Double) object);
             }
         }
 
@@ -587,29 +587,30 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Float> result = new ArrayList();
+        List<Float> result = new ArrayList<Float>();
 
         for (Object object : list) {
             if (object instanceof Float) {
-                result.add((Float)object);
+                result.add((Float) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Float.valueOf((String)object));
+                    result.add(Float.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Float)(float)(byte)(Byte)object);
+                result.add((Float) (float) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Float)(float)(char)(Character)object);
+                result.add((Float) (float) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Float)(float)(short)(Short)object);
+                result.add((Float) (float) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Float)(float)(int)(Integer)object);
+                result.add((Float) (float) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Float)(float)(long)(Long)object);
+                result.add((Float) (float) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Float)(float)(float)(Float)object);
+                result.add((Float) (float) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Float)(float)(double)(Double)object);
+                result.add((Float) (float) (double) (Double) object);
             }
         }
 
@@ -627,29 +628,30 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Long> result = new ArrayList();
+        List<Long> result = new ArrayList<Long>();
 
         for (Object object : list) {
             if (object instanceof Long) {
-                result.add((Long)object);
+                result.add((Long) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Long.valueOf((String)object));
+                    result.add(Long.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Long)(long)(byte)(Byte)object);
+                result.add((Long) (long) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Long)(long)(char)(Character)object);
+                result.add((Long) (long) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Long)(long)(short)(Short)object);
+                result.add((Long) (long) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Long)(long)(int)(Integer)object);
+                result.add((Long) (long) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Long)(long)(long)(Long)object);
+                result.add((Long) (long) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Long)(long)(float)(Float)object);
+                result.add((Long) (long) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Long)(long)(double)(Double)object);
+                result.add((Long) (long) (double) (Double) object);
             }
         }
 
@@ -667,29 +669,30 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Byte> result = new ArrayList();
+        List<Byte> result = new ArrayList<Byte>();
 
         for (Object object : list) {
             if (object instanceof Byte) {
-                result.add((Byte)object);
+                result.add((Byte) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Byte.valueOf((String)object));
+                    result.add(Byte.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Byte)(byte)(byte)(Byte)object);
+                result.add((Byte) (byte) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Byte)(byte)(char)(Character)object);
+                result.add((Byte) (byte) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Byte)(byte)(short)(Short)object);
+                result.add((Byte) (byte) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Byte)(byte)(int)(Integer)object);
+                result.add((Byte) (byte) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Byte)(byte)(long)(Long)object);
+                result.add((Byte) (byte) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Byte)(byte)(float)(Float)object);
+                result.add((Byte) (byte) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Byte)(byte)(double)(Double)object);
+                result.add((Byte) (byte) (double) (Double) object);
             }
         }
 
@@ -707,31 +710,31 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Character> result = new ArrayList();
+        List<Character> result = new ArrayList<Character>();
 
         for (Object object : list) {
             if (object instanceof Character) {
-                result.add((Character)object);
+                result.add((Character) object);
             } else if (object instanceof String) {
-                String str = (String)object;
+                String str = (String) object;
 
                 if (str.length() == 1) {
                     result.add(str.charAt(0));
                 }
             } else if (object instanceof Byte) {
-                result.add((Character)(char)(byte)(Byte)object);
+                result.add((Character) (char) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Character)(char)(char)(Character)object);
+                result.add((Character) (char) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Character)(char)(short)(Short)object);
+                result.add((Character) (char) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Character)(char)(int)(Integer)object);
+                result.add((Character) (char) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Character)(char)(long)(Long)object);
+                result.add((Character) (char) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Character)(char)(float)(Float)object);
+                result.add((Character) (char) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Character)(char)(double)(Double)object);
+                result.add((Character) (char) (double) (Double) object);
             }
         }
 
@@ -749,60 +752,62 @@ public class MemorySection implements ConfigurationSection {
             return null;
         }
 
-        List<Short> result = new ArrayList();
+        List<Short> result = new ArrayList<Short>();
 
         for (Object object : list) {
             if (object instanceof Short) {
-                result.add((Short)object);
+                result.add((Short) object);
             } else if (object instanceof String) {
                 try {
-                    result.add(Short.valueOf((String)object));
+                    result.add(Short.valueOf((String) object));
-                } catch (Exception ex) {}
+                } catch (Exception ex) {
+                }
             } else if (object instanceof Byte) {
-                result.add((Short)(short)(byte)(Byte)object);
+                result.add((Short) (short) (byte) (Byte) object);
             } else if (object instanceof Character) {
-                result.add((Short)(short)(char)(Character)object);
+                result.add((Short) (short) (char) (Character) object);
             } else if (object instanceof Short) {
-                result.add((Short)(short)(short)(Short)object);
+                result.add((Short) (short) (short) (Short) object);
             } else if (object instanceof Integer) {
-                result.add((Short)(short)(int)(Integer)object);
+                result.add((Short) (short) (int) (Integer) object);
             } else if (object instanceof Long) {
-                result.add((Short)(short)(long)(Long)object);
+                result.add((Short) (short) (long) (Long) object);
             } else if (object instanceof Float) {
-                result.add((Short)(short)(float)(Float)object);
+                result.add((Short) (short) (float) (Float) object);
             } else if (object instanceof Double) {
-                result.add((Short)(short)(double)(Double)object);
+                result.add((Short) (short) (double) (Double) object);
             }
         }
 
         return result;
     }
 
+    @SuppressWarnings("unchecked")
     public List<Map<String, Object>> getMapList(String path) {
         if (path == null) {
             throw new IllegalArgumentException("Path cannot be null");
         }
 
         List<Object> list = getList(path);
-        List<Map<String, Object>> result = new ArrayList();
+        List<Map<String, Object>> result = new ArrayList<Map<String, Object>>();
 
         for (Object object : list) {
             if (object instanceof Map) {
-                result.add((Map<String, Object>)object);
+                result.add((Map<String, Object>) object);
             }
         }
 
         return result;
     }
 
-// Bukkit
+    // Bukkit
     public Vector getVector(String path) {
         if (path == null) {
             throw new IllegalArgumentException("Path cannot be null");
         }
 
         Object def = getDefault(path);
-        return getVector(path, (def instanceof Vector) ? (Vector)def : null);
+        return getVector(path, (def instanceof Vector) ? (Vector) def : null);
     }
 
     public Vector getVector(String path, Vector def) {
@@ -811,7 +816,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object val = get(path, def);
-        return (val instanceof Vector) ? (Vector)val : def;
+        return (val instanceof Vector) ? (Vector) val : def;
     }
 
     public boolean isVector(String path) {
@@ -829,7 +834,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object def = getDefault(path);
-        return getOfflinePlayer(path, (def instanceof OfflinePlayer) ? (OfflinePlayer)def : null);
+        return getOfflinePlayer(path, (def instanceof OfflinePlayer) ? (OfflinePlayer) def : null);
     }
 
     public OfflinePlayer getOfflinePlayer(String path, OfflinePlayer def) {
@@ -838,7 +843,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object val = get(path, def);
-        return (val instanceof OfflinePlayer) ? (OfflinePlayer)val : def;
+        return (val instanceof OfflinePlayer) ? (OfflinePlayer) val : def;
     }
 
     public boolean isOfflinePlayer(String path) {
@@ -856,7 +861,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object def = getDefault(path);
-        return getItemStack(path, (def instanceof ItemStack) ? (ItemStack)def : null);
+        return getItemStack(path, (def instanceof ItemStack) ? (ItemStack) def : null);
     }
 
     public ItemStack getItemStack(String path, ItemStack def) {
@@ -865,7 +870,7 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object val = get(path, def);
-        return (val instanceof ItemStack) ? (ItemStack)val : def;
+        return (val instanceof ItemStack) ? (ItemStack) val : def;
     }
 
     public boolean isItemStack(String path) {
@@ -883,8 +888,9 @@ public class MemorySection implements ConfigurationSection {
         }
 
         Object val = get(path, null);
-        if (val != null)
+        if (val != null) {
-            return (val instanceof ConfigurationSection) ? (ConfigurationSection)val : null;
+            return (val instanceof ConfigurationSection) ? (ConfigurationSection) val : null;
+        }
 
         val = get(path, getDefault(path));
         return (val instanceof ConfigurationSection) ? createSection(path) : null;
@@ -937,13 +943,13 @@ public class MemorySection implements ConfigurationSection {
 
     protected void mapChildrenKeys(Set<String> output, ConfigurationSection section, boolean deep) {
         if (section instanceof MemorySection) {
-            MemorySection sec = (MemorySection)section;
+            MemorySection sec = (MemorySection) section;
 
             for (Map.Entry<String, Object> entry : sec.map.entrySet()) {
                 output.add(createPath(section, entry.getKey(), this));
 
                 if ((deep) && (entry.getValue() instanceof ConfigurationSection)) {
-                    ConfigurationSection subsection = (ConfigurationSection)entry.getValue();
+                    ConfigurationSection subsection = (ConfigurationSection) entry.getValue();
                     mapChildrenKeys(output, subsection, deep);
                 }
             }
@@ -958,14 +964,14 @@ public class MemorySection implements ConfigurationSection {
 
     protected void mapChildrenValues(Map<String, Object> output, ConfigurationSection section, boolean deep) {
         if (section instanceof MemorySection) {
-            MemorySection sec = (MemorySection)section;
+            MemorySection sec = (MemorySection) section;
 
             for (Map.Entry<String, Object> entry : sec.map.entrySet()) {
                 output.put(createPath(section, entry.getKey(), this), entry.getValue());
 
                 if (entry.getValue() instanceof ConfigurationSection) {
                     if (deep) {
-                        mapChildrenValues(output, (ConfigurationSection)entry.getValue(), deep);
+                        mapChildrenValues(output, (ConfigurationSection) entry.getValue(), deep);
                     }
                 }
             }
@@ -991,7 +997,6 @@ public class MemorySection implements ConfigurationSection {
         return createPath(section, key, (section == null) ? null : section.getRoot());
     }
 
-
     /**
      * Creates a relative path to the given {@link ConfigurationSection} from the given relative section.
      * <p>

paper-api/src/main/java/org/bukkit/configuration/file/FileConfiguration.java

@@ -195,6 +195,6 @@ public abstract class FileConfiguration extends MemoryConfiguration {
             options = new FileConfigurationOptions(this);
         }
 
-        return (FileConfigurationOptions)options;
+        return (FileConfigurationOptions) options;
     }
 }

paper-api/src/main/java/org/bukkit/configuration/file/FileConfigurationOptions.java

@@ -15,7 +15,7 @@ public class FileConfigurationOptions extends MemoryConfigurationOptions {
 
     @Override
     public FileConfiguration configuration() {
-        return (FileConfiguration)super.configuration();
+        return (FileConfiguration) super.configuration();
     }
 
     @Override
@@ -56,7 +56,7 @@ public class FileConfigurationOptions extends MemoryConfigurationOptions {
      * but you may include one if you wish for extra spacing.
      * <p>
      * Null is a valid value which will indicate that no header is to be applied.
-     * The default value is null.
+     * 
      *
      * @param value New header
      * @return This object, for chaining

paper-api/src/main/java/org/bukkit/configuration/file/YamlConfiguration.java

@@ -4,14 +4,14 @@ import java.io.File;
 import java.io.FileNotFoundException;
 import java.io.IOException;
 import java.io.InputStream;
-import java.util.HashMap;
 import java.util.LinkedHashMap;
 import java.util.Map;
 import java.util.logging.Level;
+
 import org.bukkit.Bukkit;
-import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.Configuration;
 import org.bukkit.configuration.ConfigurationSection;
+import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.serialization.ConfigurationSerializable;
 import org.bukkit.configuration.serialization.ConfigurationSerialization;
 import org.yaml.snakeyaml.DumperOptions;
@@ -56,7 +56,8 @@ public class YamlConfiguration extends FileConfiguration {
             throw new IllegalArgumentException("Contents cannot be null");
         }
 
-        Map<Object, Object> input = (Map<Object, Object>)yaml.load(contents);
+        @SuppressWarnings("unchecked")
+        Map<Object, Object> input = (Map<Object, Object>) yaml.load(contents);
         int size = (input == null) ? 0 : input.size();
         Map<String, Object> result = new LinkedHashMap<String, Object>(size);
 
@@ -84,7 +85,8 @@ public class YamlConfiguration extends FileConfiguration {
             Object value = entry.getValue();
 
             if (value instanceof Map) {
-                Map<Object, Object> subinput = (Map<Object, Object>)value;
+                @SuppressWarnings("unchecked")
+                Map<Object, Object> subinput = (Map<Object, Object>) value;
                 int size = (subinput == null) ? 0 : subinput.size();
                 Map<String, Object> subvalues = new LinkedHashMap<String, Object>(size);
 
@@ -120,13 +122,13 @@ public class YamlConfiguration extends FileConfiguration {
             Object value = entry.getValue();
 
             if (value instanceof ConfigurationSection) {
-                ConfigurationSection subsection = (ConfigurationSection)entry.getValue();
+                ConfigurationSection subsection = (ConfigurationSection) entry.getValue();
                 Map<String, Object> subvalues = new LinkedHashMap<String, Object>();
 
                 serializeValues(subvalues, subsection.getValues(false));
                 value = subvalues;
             } else if (value instanceof ConfigurationSerializable) {
-                ConfigurationSerializable serializable = (ConfigurationSerializable)value;
+                ConfigurationSerializable serializable = (ConfigurationSerializable) value;
                 Map<String, Object> subvalues = new LinkedHashMap<String, Object>();
                 subvalues.put(ConfigurationSerialization.SERIALIZED_TYPE_KEY, ConfigurationSerialization.getAlias(serializable.getClass()));
 
@@ -168,6 +170,7 @@ public class YamlConfiguration extends FileConfiguration {
         return result.toString();
     }
 
+    @Override
     protected String buildHeader() {
         String header = options().header();
 
@@ -175,7 +178,7 @@ public class YamlConfiguration extends FileConfiguration {
             Configuration def = getDefaults();
 
             if ((def != null) && (def instanceof FileConfiguration)) {
-                FileConfiguration filedefaults = (FileConfiguration)def;
+                FileConfiguration filedefaults = (FileConfiguration) def;
                 String defaultsHeader = filedefaults.buildHeader();
 
                 if ((defaultsHeader != null) && (defaultsHeader.length() > 0)) {
@@ -211,7 +214,7 @@ public class YamlConfiguration extends FileConfiguration {
             options = new YamlConfigurationOptions(this);
         }
 
-        return (YamlConfigurationOptions)options;
+        return (YamlConfigurationOptions) options;
     }
 
     /**

paper-api/src/main/java/org/bukkit/configuration/file/YamlConfigurationOptions.java

@@ -12,7 +12,7 @@ public class YamlConfigurationOptions extends FileConfigurationOptions {
 
     @Override
     public YamlConfiguration configuration() {
-        return (YamlConfiguration)super.configuration();
+        return (YamlConfiguration) super.configuration();
     }
 
     @Override

paper-api/src/main/java/org/bukkit/configuration/serialization/ConfigurationSerializable.java

@@ -7,9 +7,11 @@ import java.util.Map;
  * <p>
  * These objects MUST implement one of the following, in addition to the methods
  * as defined by this interface:
- * - A static method "deserialize" that accepts a single {@link Map<String, Object>} and returns the class.
+ * <ul>
- * - A static method "valueOf" that accepts a single {@link Map<String, Object>} and returns the class.
+ * <li>A static method "deserialize" that accepts a single {@link Map<String, Object>} and returns the class.</li>
- * - A constructor that accepts a single {@link Map<String, Object>}.
+ * <li>A static method "valueOf" that accepts a single {@link Map<String, Object>} and returns the class.</li>
+ * <li>A constructor that accepts a single {@link Map<String, Object>}.</li>
+ * </ul>
  */
 public interface ConfigurationSerializable {
     /**

paper-api/src/main/java/org/bukkit/configuration/serialization/ConfigurationSerialization.java

@@ -58,7 +58,7 @@ public class ConfigurationSerialization {
 
     protected ConfigurationSerializable deserializeViaMethod(Method method, Map<String, Object> args) {
         try {
-            ConfigurationSerializable result = (ConfigurationSerializable)method.invoke(null, args);
+            ConfigurationSerializable result = (ConfigurationSerializable) method.invoke(null, args);
 
             if (result == null) {
                 Logger.getLogger(ConfigurationSerialization.class.getName()).log(Level.SEVERE, "Could not call method '" + method.toString() + "' of " + clazz + " for deserialization: method returned null");
@@ -151,7 +151,7 @@ public class ConfigurationSerialization {
 
         if (args.containsKey(SERIALIZED_TYPE_KEY)) {
             try {
-                String alias = (String)args.get(SERIALIZED_TYPE_KEY);
+                String alias = (String) args.get(SERIALIZED_TYPE_KEY);
 
                 if (alias == null) {
                     throw new IllegalArgumentException("Specified class does not exist ('" + alias + ")'");
@@ -177,7 +177,7 @@ public class ConfigurationSerialization {
     public static void registerClass(Class<? extends ConfigurationSerializable> clazz) {
         DelegateDeserialization delegate = clazz.getAnnotation(DelegateDeserialization.class);
 
-        if (delegate == null ) {
+        if (delegate == null) {
             registerClass(clazz, getAlias(clazz));
             registerClass(clazz, clazz.getName());
         }
@@ -208,7 +208,9 @@ public class ConfigurationSerialization {
      * @param clazz Class to unregister
      */
     public static void unregisterClass(Class<? extends ConfigurationSerializable> clazz) {
-        while (aliases.values().remove(clazz));
+        while (aliases.values().remove(clazz)) {
+            ;
+        }
     }
 
     /**

paper-api/src/main/java/org/bukkit/entity/Entity.java

@@ -122,6 +122,7 @@ public interface Entity {
 
     /**
      * Returns true if this entity has been marked for removal.
+     *
      * @return True if it is dead.
      */
     public boolean isDead();
@@ -165,30 +166,35 @@ public interface Entity {
 
     /**
      * Returns the distance this entity has fallen
+     *
      * @return The distance.
      */
     public float getFallDistance();
 
     /**
      * Sets the fall distance for this entity
+     *
      * @param distance The new distance.
      */
     public void setFallDistance(float distance);
 
     /**
      * Record the last {@link EntityDamageEvent} inflicted on this entity
+     *
      * @param event a {@link EntityDamageEvent}
      */
     public void setLastDamageCause(EntityDamageEvent event);
 
     /**
      * Retrieve the last {@link EntityDamageEvent} inflicted on this entity. This event may have been cancelled.
+     *
      * @return the last known {@link EntityDamageEvent} or null if hitherto unharmed
      */
     public EntityDamageEvent getLastDamageCause();
 
     /**
      * Returns a unique and persistent id for this entity
+     *
      * @return unique id
      */
     public UUID getUniqueId();
@@ -205,8 +211,7 @@ public interface Entity {
     /**
      * Sets the amount of ticks this entity has lived for.
      * <p>
-     * This is the equivalent to "age" in entities. May not be
+     * This is the equivalent to "age" in entities. May not be less than one tick.
-     * less than one tick.
      *
      * @param value Age of entity
      */

paper-api/src/main/java/org/bukkit/entity/Explosive.java

@@ -6,24 +6,28 @@ package org.bukkit.entity;
 public interface Explosive extends Entity {
     /**
      * Set the radius affected by this explosive's explosion
+     *
      * @param yield The explosive yield
      */
     public void setYield(float yield);
 
     /**
      * Return the radius or yield of this explosive's explosion
+     *
      * @return the radius of blocks affected
      */
     public float getYield();
 
     /**
      * Set whether or not this explosive's explosion causes fire
+     *
      * @param isIncendiary Whether it should cause fire
      */
     public void setIsIncendiary(boolean isIncendiary);
 
     /**
      * Return whether or not this explosive creates a fire when exploding
+     *
      * @return true if the explosive creates fire, false otherwise
      */
     public boolean isIncendiary();

paper-api/src/main/java/org/bukkit/entity/HumanEntity.java

@@ -39,14 +39,6 @@ public interface HumanEntity extends LivingEntity, AnimalTamer, Permissible {
      */
     public void setItemInHand(ItemStack item);
 
-    /**
-     * Changes the item in hand to another of your 'action slots'.
-     *
-     * @param index The new index to use, only valid ones are 0-8.
-     *
-     public void selectItemInHand(int index);
-     */
-
     /**
      * Returns whether this player is slumbering.
      *

paper-api/src/main/java/org/bukkit/entity/LivingEntity.java

@@ -86,12 +86,14 @@ public interface LivingEntity extends Entity {
 
     /**
      * Throws an egg from the entity.
+     *
      * @return The egg thrown.
      */
     public Egg throwEgg();
 
     /**
      * Throws a snowball from the entity.
+     *
      * @return The snowball thrown.
      */
     public Snowball throwSnowball();

paper-api/src/main/java/org/bukkit/entity/Minecart.java

@@ -69,6 +69,7 @@ public interface Minecart extends Vehicle {
      * Gets the derailed velocity modifier. Used for minecarts that are on the ground, but not on rails.
      *
      * A derailed minecart's velocity is multiplied by this factor each tick.
+     *
      * @return derailed visible speed
      */
     public Vector getDerailedVelocityMod();

paper-api/src/main/java/org/bukkit/entity/Painting.java

@@ -10,12 +10,14 @@ import org.bukkit.material.Attachable;
 public interface Painting extends Entity, Attachable {
     /**
      * Get the art on this painting
+     *
      * @return The art
      */
     public Art getArt();
 
     /**
      * Set the art on this painting
+     *
      * @param art The new art
      * @return False if the new art won't fit at the painting's current location
      */
@@ -23,10 +25,11 @@ public interface Painting extends Entity, Attachable {
 
     /**
      * Set the art on this painting
+     *
      * @param art The new art
      * @param force If true, force the new art regardless of whether it fits at the current location
-     * Note that forcing it where it can't fit normally causes it to drop as an item unless you override
+     *            Note that forcing it where it can't fit normally causes it to drop as an item unless you override
-     * this by catching the PAINTING_BREAK event.
+     *            this by catching the PAINTING_BREAK event.
      * @return False if force was false and the new art won't fit at the painting's current location
      */
     public boolean setArt(Art art, boolean force);
@@ -34,6 +37,7 @@ public interface Painting extends Entity, Attachable {
     /**
      * Sets the direction of the painting, potentially overriding rules of placement. Note that if the result
      * is not valid the painting would normally drop as an item.
+     *
      * @param face The new direction.
      * @param force Whether to force it.
      * @return False if force was false and there was no block for it to attach to in order to face the given direction.

paper-api/src/main/java/org/bukkit/entity/Pig.java

@@ -6,7 +6,7 @@ package org.bukkit.entity;
 public interface Pig extends Animals, Vehicle {
 
     /**
-     *  Check if the pig has a saddle.
+     * Check if the pig has a saddle.
      *
      * @return if the pig has been saddled.
      */

paper-api/src/main/java/org/bukkit/entity/Player.java

@@ -82,6 +82,7 @@ public interface Player extends HumanEntity, CommandSender, OfflinePlayer {
 
     /**
      * Gets the socket address of this player
+     *
      * @return the player's address
      */
     public InetSocketAddress getAddress();
@@ -117,12 +118,14 @@ public interface Player extends HumanEntity, CommandSender, OfflinePlayer {
 
     /**
      * Returns if the player is in sneak mode
+     *
      * @return true if player is in sneak mode
      */
     public boolean isSneaking();
 
     /**
      * Sets the sneak mode the player
+     *
      * @param sneak true if player should appear sneaking
      */
     public void setSneaking(boolean sneak);
@@ -214,7 +217,7 @@ public interface Player extends HumanEntity, CommandSender, OfflinePlayer {
     /**
      * Send a chunk change. This fakes a chunk change packet for a user at
      * a certain location. The updated cuboid must be entirely within a single
-     * chunk.  This will not actually change the world in any way.
+     * chunk. This will not actually change the world in any way.
      *
      * At least one of the dimensions of the cuboid must be even. The size of the
      * data buffer must be 2.5*sx*sy*sz and formatted in accordance with the Packet51

paper-api/src/main/java/org/bukkit/entity/TNTPrimed.java

@@ -6,12 +6,14 @@ package org.bukkit.entity;
 public interface TNTPrimed extends Explosive {
     /**
      * Set the number of ticks until the TNT blows up after being primed.
+     *
      * @param fuseTicks The fuse ticks
      */
     public void setFuseTicks(int fuseTicks);
 
     /**
      * Retrieve the number of ticks until the explosion of this TNTPrimed entity
+     *
      * @return the number of ticks until this TNTPrimed explodes
      */
     public int getFuseTicks();

paper-api/src/main/java/org/bukkit/event/Event.java

@@ -7,6 +7,7 @@ import org.bukkit.entity.Projectile;
 /**
  * Represents an event
  */
+@SuppressWarnings("serial")
 public abstract class Event implements Serializable {
     private final Type type;
     private final String name;
@@ -146,128 +147,128 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.player.PlayerJoinEvent
          */
-        PLAYER_JOIN (Category.PLAYER),
+        PLAYER_JOIN(Category.PLAYER),
         /**
          * Called when a player is attempting to connect to the server
          *
          * @see org.bukkit.event.player.PlayerLoginEvent
          */
-        PLAYER_LOGIN (Category.PLAYER),
+        PLAYER_LOGIN(Category.PLAYER),
         /**
          * Called when a player has just been authenticated
          *
          * @see org.bukkit.event.player.PlayerPreLoginEvent
          */
-        PLAYER_PRELOGIN (Category.PLAYER),
+        PLAYER_PRELOGIN(Category.PLAYER),
         /**
          * Called when a player respawns
          *
          * @see org.bukkit.event.player.PlayerRespawnEvent
          */
-        PLAYER_RESPAWN (Category.PLAYER),
+        PLAYER_RESPAWN(Category.PLAYER),
         /**
          * Called when a player gets kicked from the server
          *
          * @see org.bukkit.event.player.PlayerKickEvent
          */
-        PLAYER_KICK (Category.PLAYER),
+        PLAYER_KICK(Category.PLAYER),
         /**
          * Called when a player sends a chat message
          *
          * @see org.bukkit.event.player.PlayerChatEvent
          */
-        PLAYER_CHAT (Category.PLAYER),
+        PLAYER_CHAT(Category.PLAYER),
         /**
          * Called when a player uses a command (early in the command handling process)
          *
          * @see org.bukkit.event.player.PlayerCommandPreprocessEvent
          */
-        PLAYER_COMMAND_PREPROCESS (Category.PLAYER),
+        PLAYER_COMMAND_PREPROCESS(Category.PLAYER),
         /**
          * Called when a player leaves the server
          *
          * @see org.bukkit.event.player.PlayerQuitEvent
          */
-        PLAYER_QUIT (Category.PLAYER),
+        PLAYER_QUIT(Category.PLAYER),
         /**
          * Called when a player moves position in the world
          *
          * @see org.bukkit.event.player.PlayerMoveEvent
          */
-        PLAYER_MOVE (Category.PLAYER),
+        PLAYER_MOVE(Category.PLAYER),
         /**
          * Called before a player gets a velocity vector sent, which will instruct him to
          * get "pushed" into a specific direction, e.g. after an explosion
          *
          * @see org.bukkit.event.player.PlayerVelocityEvent
          */
-        PLAYER_VELOCITY (Category.PLAYER),
+        PLAYER_VELOCITY(Category.PLAYER),
         /**
          * Called when a player undergoes an animation (Arm Swing is the only animation currently supported)
          *
          * @see org.bukkit.event.player.PlayerAnimationEvent
          */
-        PLAYER_ANIMATION (Category.PLAYER),
+        PLAYER_ANIMATION(Category.PLAYER),
         /**
          * Called when a player toggles sneak mode
          *
          * @see org.bukkit.event.player.PlayerToggleSneakEvent
          */
-        PLAYER_TOGGLE_SNEAK (Category.PLAYER),
+        PLAYER_TOGGLE_SNEAK(Category.PLAYER),
         /**
          * Called when a player toggles sprint mode
          *
          * @see org.bukkit.event.player.PlayerToggleSprintEvent
          */
-        PLAYER_TOGGLE_SPRINT (Category.PLAYER),
+        PLAYER_TOGGLE_SPRINT(Category.PLAYER),
         /**
          * Called when a player interacts with an object or air
          *
          * @see org.bukkit.event.player.PlayerInteractEvent
          */
-        PLAYER_INTERACT (Category.PLAYER),
+        PLAYER_INTERACT(Category.PLAYER),
         /**
          * Called when a player right clicks an entity
          *
          * @see org.bukkit.event.player.PlayerInteractEntityEvent
          */
-        PLAYER_INTERACT_ENTITY (Category.PLAYER),
+        PLAYER_INTERACT_ENTITY(Category.PLAYER),
         /**
          * Called when a player throws an egg
          *
          * @see org.bukkit.event.player.PlayerEggThrowEvent
          */
-        PLAYER_EGG_THROW (Category.PLAYER),
+        PLAYER_EGG_THROW(Category.PLAYER),
         /**
          * Called when a player teleports from one position to another
          *
          * @see org.bukkit.event.player.PlayerTeleportEvent
          */
-        PLAYER_TELEPORT (Category.PLAYER),
+        PLAYER_TELEPORT(Category.PLAYER),
         /**
          * Called when a player completes the portaling process by standing in a portal
          *
          * @see org.bukkit.event.player.PlayerPortalEvent
          */
-        PLAYER_PORTAL (Category.PLAYER),
+        PLAYER_PORTAL(Category.PLAYER),
         /**
          * Called when a player changes their held item
          *
          * @see org.bukkit.event.player.PlayerItemHeldEvent
          */
-        PLAYER_ITEM_HELD (Category.PLAYER),
+        PLAYER_ITEM_HELD(Category.PLAYER),
         /**
          * Called when a player drops an item
          *
          * @see org.bukkit.event.player.PlayerDropItemEvent
          */
-        PLAYER_DROP_ITEM (Category.PLAYER),
+        PLAYER_DROP_ITEM(Category.PLAYER),
         /**
          * Called when a player picks an item up off the ground
          *
          * @see org.bukkit.event.player.PlayerPickupItemEvent
          */
-        PLAYER_PICKUP_ITEM (Category.PLAYER),
+        PLAYER_PICKUP_ITEM(Category.PLAYER),
         /**
          * Called when a player empties a bucket
          *
@@ -328,7 +329,7 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.block.BlockDamageEvent
          */
-        BLOCK_DAMAGE (Category.BLOCK),
+        BLOCK_DAMAGE(Category.BLOCK),
         /**
          * Called when a block is undergoing a universe physics
          * check on whether it can be built
@@ -337,21 +338,21 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.block.BlockCanBuildEvent
          */
-        BLOCK_CANBUILD (Category.BLOCK),
+        BLOCK_CANBUILD(Category.BLOCK),
         /**
          * Called when a block of water or lava attempts to flow into another
          * block
          *
          * @see org.bukkit.event.block.BlockFromToEvent
          */
-        BLOCK_FROMTO (Category.BLOCK),
+        BLOCK_FROMTO(Category.BLOCK),
         /**
          * Called when a block is being set on fire from another block, such as
          * an adjacent block of fire attempting to set fire to wood
          *
          * @see org.bukkit.event.block.BlockIgniteEvent
          */
-        BLOCK_IGNITE (Category.BLOCK),
+        BLOCK_IGNITE(Category.BLOCK),
         /**
          * Called when a block undergoes a physics check
          *
@@ -360,37 +361,37 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.block.BlockPhysicsEvent
          */
-        BLOCK_PHYSICS (Category.BLOCK),
+        BLOCK_PHYSICS(Category.BLOCK),
         /**
          * Called when a player is attempting to place a block
          *
          * @see org.bukkit.event.block.BlockPlaceEvent
          */
-        BLOCK_PLACE (Category.BLOCK),
+        BLOCK_PLACE(Category.BLOCK),
         /**
          * Called when a block dispenses something
          *
          * @see org.bukkit.event.block.BlockDispenseEvent
          */
-        BLOCK_DISPENSE (Category.BLOCK),
+        BLOCK_DISPENSE(Category.BLOCK),
         /**
          * Called when a block is destroyed from being burnt by fire
          *
          * @see org.bukkit.event.block.BlockBurnEvent
          */
-        BLOCK_BURN (Category.BLOCK),
+        BLOCK_BURN(Category.BLOCK),
         /**
          * Called when leaves are decaying naturally
          *
          * @see org.bukkit.event.block.LeavesDecayEvent
          */
-        LEAVES_DECAY (Category.BLOCK),
+        LEAVES_DECAY(Category.BLOCK),
         /**
          * Called when a sign is changed
          *
          * @see org.bukkit.event.block.SignChangeEvent
          */
-        SIGN_CHANGE (Category.BLOCK),
+        SIGN_CHANGE(Category.BLOCK),
         /**
          * Called when a block changes redstone current. Only triggered on blocks
          * that are actually capable of transmitting or carrying a redstone
@@ -398,43 +399,43 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.block.BlockRedstoneEvent
          */
-        REDSTONE_CHANGE (Category.BLOCK),
+        REDSTONE_CHANGE(Category.BLOCK),
         /**
          * Called when a block is broken by a player
          *
          * @see org.bukkit.event.block.BlockBreakEvent
          */
-        BLOCK_BREAK (Category.BLOCK),
+        BLOCK_BREAK(Category.BLOCK),
         /**
          * Called when a block is formed based on world conditions
          *
          * @see org.bukkit.event.block.BlockFormEvent
          */
-        BLOCK_FORM (Category.BLOCK),
+        BLOCK_FORM(Category.BLOCK),
         /**
          * Called when a block spreads based on world conditions
          *
          * @see org.bukkit.event.block.BlockSpreadEvent
          */
-        BLOCK_SPREAD (Category.BLOCK),
+        BLOCK_SPREAD(Category.BLOCK),
         /**
          * Called when a block fades, melts or disappears based on world conditions
          *
          * @see org.bukkit.event.block.BlockFadeEvent
          */
-        BLOCK_FADE (Category.BLOCK),
+        BLOCK_FADE(Category.BLOCK),
         /**
          * Called when a piston extends
          *
          * @see org.bukkit.event.block.BlockPistonExtendEvent
          */
-        BLOCK_PISTON_EXTEND (Category.BLOCK),
+        BLOCK_PISTON_EXTEND(Category.BLOCK),
         /**
          * Called when a piston retracts
          *
          * @see org.bukkit.event.block.BlockPistonRetractEvent
          */
-        BLOCK_PISTON_RETRACT (Category.BLOCK),
+        BLOCK_PISTON_RETRACT(Category.BLOCK),
 
         /**
          * INVENTORY EVENTS
@@ -445,43 +446,43 @@ public abstract class Event implements Serializable {
          *
          * @todo: add javadoc see comment
          */
-        INVENTORY_OPEN (Category.INVENTORY),
+        INVENTORY_OPEN(Category.INVENTORY),
         /**
          * Called when a player closes an inventory
          *
          * @todo: add javadoc see comment
          */
-        INVENTORY_CLOSE (Category.INVENTORY),
+        INVENTORY_CLOSE(Category.INVENTORY),
         /**
          * Called when a player clicks on an inventory slot
          *
          * @todo: add javadoc see comment
          */
-        INVENTORY_CLICK (Category.INVENTORY),
+        INVENTORY_CLICK(Category.INVENTORY),
         /**
          * Called when an inventory slot changes values or type
          *
          * @todo: add javadoc see comment
          */
-        INVENTORY_CHANGE (Category.INVENTORY),
+        INVENTORY_CHANGE(Category.INVENTORY),
         /**
          * Called when a player is attempting to perform an inventory transaction
          *
          * @todo: add javadoc see comment
          */
-        INVENTORY_TRANSACTION (Category.INVENTORY),
+        INVENTORY_TRANSACTION(Category.INVENTORY),
         /**
          * Called when an ItemStack is successfully smelted in a furnace.
          *
          * @see org.bukkit.event.inventory.FurnaceSmeltEvent
          */
-        FURNACE_SMELT (Category.INVENTORY),
+        FURNACE_SMELT(Category.INVENTORY),
         /**
          * Called when an ItemStack is successfully burned as fuel in a furnace.
          *
          * @see org.bukkit.event.inventory.FurnaceBurnEvent
          */
-        FURNACE_BURN (Category.INVENTORY),
+        FURNACE_BURN(Category.INVENTORY),
 
         /**
          * SERVER EVENTS
@@ -492,19 +493,19 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.server.PluginEnableEvent
          */
-        PLUGIN_ENABLE (Category.SERVER),
+        PLUGIN_ENABLE(Category.SERVER),
         /**
          * Called when a plugin is disabled
          *
          * @see org.bukkit.event.server.PluginDisableEvent
          */
-        PLUGIN_DISABLE (Category.SERVER),
+        PLUGIN_DISABLE(Category.SERVER),
         /**
          * Called when a server command is called
          *
          * @see org.bukkit.event.server.ServerCommandEvent
          */
-        SERVER_COMMAND (Category.SERVER),
+        SERVER_COMMAND(Category.SERVER),
         /**
          * Called when a remote server command is called
          *
@@ -516,13 +517,13 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.server.MapInitializeEvent
          */
-        MAP_INITIALIZE (Category.SERVER),
+        MAP_INITIALIZE(Category.SERVER),
         /**
          * Called when a client pings a server.
          *
          * @see org.bukkit.event.server.ServerListPingEvent
          */
-        SERVER_LIST_PING (Category.SERVER),
+        SERVER_LIST_PING(Category.SERVER),
 
         /**
          * WORLD EVENTS
@@ -536,13 +537,13 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.world.ChunkLoadEvent
          */
-        CHUNK_LOAD (Category.WORLD),
+        CHUNK_LOAD(Category.WORLD),
         /**
          * Called when a chunk is unloaded
          *
          * @see org.bukkit.event.world.ChunkUnloadEvent
          */
-        CHUNK_UNLOAD (Category.WORLD),
+        CHUNK_UNLOAD(Category.WORLD),
         /**
          * Called when a newly created chunk has been populated.
          *
@@ -550,55 +551,55 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.world.ChunkPopulateEvent
          */
-        CHUNK_POPULATED (Category.WORLD),
+        CHUNK_POPULATED(Category.WORLD),
         /**
          * Called when an ItemEntity spawns in the world
          *
          * @see org.bukkit.event.entity.ItemSpawnEvent
          */
-        ITEM_SPAWN (Category.WORLD),
+        ITEM_SPAWN(Category.WORLD),
         /**
          * Called when a World's spawn is changed
          *
          * @see org.bukkit.event.world.SpawnChangeEvent
          */
-        SPAWN_CHANGE (Category.WORLD),
+        SPAWN_CHANGE(Category.WORLD),
         /**
          * Called when a world is saved
          *
          * @see org.bukkit.event.world.WorldSaveEvent
          */
-        WORLD_SAVE (Category.WORLD),
+        WORLD_SAVE(Category.WORLD),
         /**
          * Called when a World is initializing
          *
          * @see org.bukkit.event.world.WorldInitEvent
          */
-        WORLD_INIT (Category.WORLD),
+        WORLD_INIT(Category.WORLD),
         /**
          * Called when a World is loaded
          *
          * @see org.bukkit.event.world.WorldLoadEvent
          */
-        WORLD_LOAD (Category.WORLD),
+        WORLD_LOAD(Category.WORLD),
         /**
          * Called when a World is unloaded
          *
          * @see org.bukkit.event.world.WorldUnloadEvent
          */
-        WORLD_UNLOAD (Category.WORLD),
+        WORLD_UNLOAD(Category.WORLD),
         /**
          * Called when world attempts to create a matching end to a portal
          *
          * @see org.bukkit.event.world.PortalCreateEvent
          */
-        PORTAL_CREATE (Category.WORLD),
+        PORTAL_CREATE(Category.WORLD),
         /**
          * Called when an organic structure attempts to grow (Sapling -> Tree), (Mushroom -> Huge Mushroom), naturally or using bonemeal.
          *
-+        * @see org.bukkit.event.world.TreeGrowEvent
+         * @see org.bukkit.event.world.TreeGrowEvent
          */
-        STRUCTURE_GROW (Category.WORLD),
+        STRUCTURE_GROW(Category.WORLD),
 
         /**
          * ENTITY EVENTS
@@ -609,19 +610,19 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.painting.PaintingPlaceEvent
          */
-        PAINTING_PLACE (Category.ENTITY),
+        PAINTING_PLACE(Category.ENTITY),
         /**
          * Called when a painting is removed
          *
          * @see org.bukkit.event.painting.PaintingBreakEvent
          */
-        PAINTING_BREAK (Category.ENTITY),
+        PAINTING_BREAK(Category.ENTITY),
         /**
          * Called when an entity touches a portal block
          *
          * @see org.bukkit.event.entity.EntityPortalEnterEvent
          */
-        ENTITY_PORTAL_ENTER (Category.ENTITY),
+        ENTITY_PORTAL_ENTER(Category.ENTITY),
 
         /**
          * LIVING_ENTITY EVENTS
@@ -633,31 +634,31 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.entity.CreatureSpawnEvent
          */
-        CREATURE_SPAWN (Category.LIVING_ENTITY),
+        CREATURE_SPAWN(Category.LIVING_ENTITY),
         /**
          * Called when a LivingEntity is damaged with no source.
          *
          * @see org.bukkit.event.entity.EntityDamageEvent
          */
-        ENTITY_DAMAGE (Category.LIVING_ENTITY),
+        ENTITY_DAMAGE(Category.LIVING_ENTITY),
         /**
          * Called when a LivingEntity dies
          *
          * @see org.bukkit.event.entity.EntityDeathEvent
          */
-        ENTITY_DEATH (Category.LIVING_ENTITY),
+        ENTITY_DEATH(Category.LIVING_ENTITY),
         /**
          * Called when a Skeleton or Zombie catch fire due to the sun
          *
          * @see org.bukkit.event.entity.EntityCombustEvent
          */
-        ENTITY_COMBUST (Category.LIVING_ENTITY),
+        ENTITY_COMBUST(Category.LIVING_ENTITY),
         /**
          * Called when an entity explodes, either TNT, Creeper, or Ghast Fireball
          *
          * @see org.bukkit.event.entity.EntityExplodeEvent
          */
-        ENTITY_EXPLODE (Category.LIVING_ENTITY),
+        ENTITY_EXPLODE(Category.LIVING_ENTITY),
         /**
          * Called when an entity has made a decision to explode.
          *
@@ -670,74 +671,74 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.entity.ExplosionPrimeEvent
          */
-        EXPLOSION_PRIME (Category.LIVING_ENTITY),
+        EXPLOSION_PRIME(Category.LIVING_ENTITY),
         /**
          * Called when an entity targets another entity
          *
          * @see org.bukkit.event.entity.EntityTargetEvent
          */
-        ENTITY_TARGET (Category.LIVING_ENTITY),
+        ENTITY_TARGET(Category.LIVING_ENTITY),
         /**
          * Called when an entity interacts with a block
          * This event specifically excludes player entities
          *
          * @see org.bukkit.event.entity.EntityInteractEvent
          */
-        ENTITY_INTERACT (Category.LIVING_ENTITY),
+        ENTITY_INTERACT(Category.LIVING_ENTITY),
         /**
          * Called when a creeper gains or loses a power shell
          *
          * @see org.bukkit.event.entity.CreeperPowerEvent
          */
-        CREEPER_POWER (Category.LIVING_ENTITY),
+        CREEPER_POWER(Category.LIVING_ENTITY),
         /**
          * Called when a pig is zapped, zombifying it
          *
          * @see org.bukkit.event.entity.PigZapEvent
          */
-        PIG_ZAP (Category.LIVING_ENTITY),
+        PIG_ZAP(Category.LIVING_ENTITY),
         /**
          * Called when a LivingEntity is tamed
          *
          * @see org.bukkit.event.entity.EntityTameEvent
          */
-        ENTITY_TAME (Category.LIVING_ENTITY),
+        ENTITY_TAME(Category.LIVING_ENTITY),
         /**
          * Called when a {@link Projectile} hits something
          *
          * @see org.bukkit.event.entity.ProjectileHitEvent
          */
-        PROJECTILE_HIT (Category.ENTITY),
+        PROJECTILE_HIT(Category.ENTITY),
         /**
          * Called when a Slime splits into smaller Slimes upon death
          *
          * @see org.bukkit.event.entity.SlimeSplitEvent
          */
-        SLIME_SPLIT (Category.LIVING_ENTITY),
+        SLIME_SPLIT(Category.LIVING_ENTITY),
         /**
          * Called when a LivingEntity is regains health
          *
          * @see org.bukkit.event.entity.EntityRegainHealthEvent
          */
-        ENTITY_REGAIN_HEALTH (Category.LIVING_ENTITY),
+        ENTITY_REGAIN_HEALTH(Category.LIVING_ENTITY),
         /**
          * Called when an Enderman picks a block up
          *
          * @see org.bukkit.event.entity.EndermanPickupEvent
          */
-        ENDERMAN_PICKUP (Category.LIVING_ENTITY),
+        ENDERMAN_PICKUP(Category.LIVING_ENTITY),
         /**
          * Called when an Enderman places a block
          *
          * @see org.bukkit.event.entity.EndermanPlaceEvent
          */
-        ENDERMAN_PLACE (Category.LIVING_ENTITY),
+        ENDERMAN_PLACE(Category.LIVING_ENTITY),
         /**
          * Called when a human entity's food level changes
          *
          * @see org.bukkit.event.entity.FoodLevelChangeEvent
          */
-        FOOD_LEVEL_CHANGE (Category.LIVING_ENTITY),
+        FOOD_LEVEL_CHANGE(Category.LIVING_ENTITY),
 
         /**
          * WEATHER EVENTS
@@ -748,19 +749,19 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.weather.LightningStrikeEvent
          */
-        LIGHTNING_STRIKE (Category.WEATHER),
+        LIGHTNING_STRIKE(Category.WEATHER),
         /**
          * Called when the weather in a world changes
          *
          * @see org.bukkit.event.weather.WeatherChangeEvent
          */
-        WEATHER_CHANGE (Category.WEATHER),
+        WEATHER_CHANGE(Category.WEATHER),
         /**
          * Called when the thunder state in a world changes
          *
          * @see org.bukkit.event.weather.ThunderChangeEvent
          */
-        THUNDER_CHANGE (Category.WEATHER),
+        THUNDER_CHANGE(Category.WEATHER),
 
         /**
          * VEHICLE EVENTS
@@ -771,55 +772,55 @@ public abstract class Event implements Serializable {
          *
          * @see org.bukkit.event.vehicle.VehicleCreateEvent
          */
-        VEHICLE_CREATE (Category.VEHICLE),
+        VEHICLE_CREATE(Category.VEHICLE),
         /**
          * Called when a vehicle is destroyed
          *
          * @see org.bukkit.event.vehicle.VehicleDestroyEvent
          */
-        VEHICLE_DESTROY (Category.VEHICLE),
+        VEHICLE_DESTROY(Category.VEHICLE),
         /**
          * Called when a vehicle is damaged by a LivingEntity
          *
          * @see org.bukkit.event.vehicle.VehicleDamageEvent
          */
-        VEHICLE_DAMAGE (Category.VEHICLE),
+        VEHICLE_DAMAGE(Category.VEHICLE),
         /**
          * Called when a vehicle collides with an Entity
          *
          * @see org.bukkit.event.vehicle.VehicleCollisionEvent
          */
-        VEHICLE_COLLISION_ENTITY (Category.VEHICLE),
+        VEHICLE_COLLISION_ENTITY(Category.VEHICLE),
         /**
          * Called when a vehicle collides with a Block
          *
          * @see org.bukkit.event.vehicle.VehicleBlockCollisionEvent
          */
-        VEHICLE_COLLISION_BLOCK (Category.VEHICLE),
+        VEHICLE_COLLISION_BLOCK(Category.VEHICLE),
         /**
          * Called when a vehicle is entered by a LivingEntity
          *
          * @see org.bukkit.event.vehicle.VehicleEnterEvent
          */
-        VEHICLE_ENTER (Category.VEHICLE),
+        VEHICLE_ENTER(Category.VEHICLE),
         /**
          * Called when a vehicle is exited by a LivingEntity
          *
          * @see org.bukkit.event.vehicle.VehicleExitEvent
          */
-        VEHICLE_EXIT (Category.VEHICLE),
+        VEHICLE_EXIT(Category.VEHICLE),
         /**
          * Called when a vehicle moves position in the world
          *
          * @see org.bukkit.event.vehicle.VehicleMoveEvent
          */
-        VEHICLE_MOVE (Category.VEHICLE),
+        VEHICLE_MOVE(Category.VEHICLE),
         /**
          * Called when a vehicle is going through an update cycle, rechecking itself
          *
          * @see org.bukkit.event.vehicle.VehicleUpdateEvent
          */
-        VEHICLE_UPDATE (Category.VEHICLE),
+        VEHICLE_UPDATE(Category.VEHICLE),
         /**
          * MISCELLANEOUS EVENTS
          */
@@ -827,7 +828,7 @@ public abstract class Event implements Serializable {
         /**
          * Represents a custom event, isn't actually used
          */
-        CUSTOM_EVENT (Category.MISCELLANEOUS);
+        CUSTOM_EVENT(Category.MISCELLANEOUS);
 
         private final Category category;
 

paper-api/src/main/java/org/bukkit/event/EventException.java

@@ -22,6 +22,7 @@ public class EventException extends Exception {
 
     /**
      * Constructs a new EventException with the given message
+     *
      * @param cause The exception that caused this
      * @param message The message
      */
@@ -32,6 +33,7 @@ public class EventException extends Exception {
 
     /**
      * Constructs a new EventException with the given message
+     *
      * @param message The message
      */
     public EventException(String message) {

paper-api/src/main/java/org/bukkit/event/block/BlockBreakEvent.java

@@ -6,13 +6,14 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when a block is broken by a player.
- *<p />
+ * <p />
  * Note:
  * Plugins wanting to simulate a traditional block drop should set the block to air and utilise their own methods for determining
  *   what the default drop for the block being broken is and what to do about it, if anything.
- *<p />
+ * <p />
  * If a Block Break event is cancelled, the block will not break.
  */
+@SuppressWarnings("serial")
 public class BlockBreakEvent extends BlockEvent implements Cancellable {
 
     private Player player;

paper-api/src/main/java/org/bukkit/event/block/BlockBurnEvent.java

@@ -5,9 +5,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when a block is destroyed as a result of being burnt by fire.
- *<p />
+ * <p />
  * If a Block Burn event is cancelled, the block will not be destroyed as a result of being burnt by fire.
  */
+@SuppressWarnings("serial")
 public class BlockBurnEvent extends BlockEvent implements Cancellable {
     private boolean cancelled;
 

paper-api/src/main/java/org/bukkit/event/block/BlockCanBuildEvent.java

@@ -5,13 +5,14 @@ import org.bukkit.Material;
 
 /**
  * Called when we try to place a block, to see if we can build it here or not.
- *<p />
+ * <p />
  * Note:
  * <ul>
- *    <li>The Block returned by getBlock() is the block we are trying to place on, not the block we are trying to place.</li>
+ * <li>The Block returned by getBlock() is the block we are trying to place on, not the block we are trying to place.</li>
- *    <li>If you want to figure out what is being placed, use {@link #getMaterial()} or {@link #getMaterialId()} instead.</li>
+ * <li>If you want to figure out what is being placed, use {@link #getMaterial()} or {@link #getMaterialId()} instead.</li>
  * </ul>
  */
+@SuppressWarnings("serial")
 public class BlockCanBuildEvent extends BlockEvent {
     protected boolean buildable;
     protected int material;

paper-api/src/main/java/org/bukkit/event/block/BlockDamageEvent.java

@@ -10,6 +10,7 @@ import org.bukkit.inventory.ItemStack;
  * <p />
  * If a Block Damage event is cancelled, the block will not be damaged.
  */
+@SuppressWarnings("serial")
 public class BlockDamageEvent extends BlockEvent implements Cancellable {
     private Player player;
     private boolean instaBreak;

paper-api/src/main/java/org/bukkit/event/block/BlockDispenseEvent.java

@@ -7,9 +7,10 @@ import org.bukkit.util.Vector;
 
 /**
  * Called when an item is dispensed from a block.
- *<p />
+ * <p />
  * If a Block Dispense event is cancelled, the block will not dispense the item.
  */
+@SuppressWarnings("serial")
 public class BlockDispenseEvent extends BlockEvent implements Cancellable {
 
     private boolean cancelled = false;
@@ -43,7 +44,7 @@ public class BlockDispenseEvent extends BlockEvent implements Cancellable {
 
     /**
      * Gets the velocity.
-     *<p />
+     * <p />
      * Note: Modifying the returned Vector will not change the velocity, you must use {@link #setVelocity(org.bukkit.util.Vector)} instead.
      *
      * @return A Vector for the dispensed item's velocity

paper-api/src/main/java/org/bukkit/event/block/BlockEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Event;
 /**
  * Represents a block related event.
  */
+@SuppressWarnings("serial")
 public class BlockEvent extends Event {
     protected Block block;
 

paper-api/src/main/java/org/bukkit/event/block/BlockFadeEvent.java

@@ -3,17 +3,19 @@ package org.bukkit.event.block;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
 import org.bukkit.event.Cancellable;
+
 /**
  * Called when a block fades, melts or disappears based on world conditions
  * <p />
  * Examples:
  * <ul>
- *     <li>Snow melting due to being near a light source.</li>
+ * <li>Snow melting due to being near a light source.</li>
- *     <li>Ice melting due to being near a light source.</li>
+ * <li>Ice melting due to being near a light source.</li>
  * </ul>
  * <p />
  * If a Block Fade event is cancelled, the block will not fade, melt or disappear.
  */
+@SuppressWarnings("serial")
 public class BlockFadeEvent extends BlockEvent implements Cancellable {
     private boolean cancelled;
     private BlockState newState;

paper-api/src/main/java/org/bukkit/event/block/BlockFormEvent.java

@@ -7,16 +7,18 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when a block is formed or spreads based on world conditions.
  * Use {@link BlockSpreadEvent} to catch blocks that actually spread and don't just "randomly" form.
- *<p />
+ * <p />
  * Examples:
- *<ul>
+ * <ul>
- *     <li>Snow forming due to a snow storm.</li>
+ * <li>Snow forming due to a snow storm.</li>
- *     <li>Ice forming in a snowy Biome like Taiga or Tundra.</li>
+ * <li>Ice forming in a snowy Biome like Taiga or Tundra.</li>
  * </ul>
- *<p />
+ * <p />
  * If a Block Form event is cancelled, the block will not be formed.
+ *
  * @see BlockSpreadEvent
  */
+@SuppressWarnings("serial")
 public class BlockFormEvent extends BlockEvent implements Cancellable {
     private boolean cancelled;
     private BlockState newState;

paper-api/src/main/java/org/bukkit/event/block/BlockFromToEvent.java

@@ -6,9 +6,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Represents events with a source block and a destination block, currently only applies to liquid (lava and water).
- *<p />
+ * <p />
  * If a Block From To event is cancelled, the block will not move (the liquid will not flow).
  */
+@SuppressWarnings("serial")
 public class BlockFromToEvent extends BlockEvent implements Cancellable {
     protected Block to;
     protected BlockFace face;

paper-api/src/main/java/org/bukkit/event/block/BlockIgniteEvent.java

@@ -7,9 +7,10 @@ import org.bukkit.event.Event;
 
 /**
  * Called when a block is ignited. If you want to catch when a Player places fire, you need to use {@link BlockPlaceEvent}.
- *<p />
+ * <p />
  * If a Block Ignite event is cancelled, the block will not be ignited.
  */
+@SuppressWarnings("serial")
 public class BlockIgniteEvent extends BlockEvent implements Cancellable {
     private IgniteCause cause;
     private boolean cancel;

paper-api/src/main/java/org/bukkit/event/block/BlockListener.java

@@ -23,11 +23,11 @@ public class BlockListener implements Listener {
 
     /**
      * Called when we try to place a block, to see if we can build it here or not.
-     *<p />
+     * <p />
      * Note:
      * <ul>
-     *    <li>The Block returned by getBlock() is the block we are trying to place on, not the block we are trying to place.</li>
+     * <li>The Block returned by getBlock() is the block we are trying to place on, not the block we are trying to place.</li>
-     *    <li>If you want to figure out what is being placed, use {@link BlockCanBuildEvent#getMaterial()} or {@link BlockCanBuildEvent#getMaterialId()} instead.</li>
+     * <li>If you want to figure out what is being placed, use {@link BlockCanBuildEvent#getMaterial()} or {@link BlockCanBuildEvent#getMaterialId()} instead.</li>
      * </ul>
      *
      * @param event Relevant event details
@@ -36,7 +36,7 @@ public class BlockListener implements Listener {
 
     /**
      * Represents events with a source block and a destination block, currently only applies to liquid (lava and water).
-     *<p />
+     * <p />
      * If a Block From To event is cancelled, the block will not move (the liquid will not flow).
      *
      * @param event Relevant event details
@@ -45,7 +45,7 @@ public class BlockListener implements Listener {
 
     /**
      * Called when a block is ignited. If you want to catch when a Player places fire, you need to use {@link BlockPlaceEvent}.
-     *<p />
+     * <p />
      * If a Block Ignite event is cancelled, the block will not be ignited.
      *
      * @param event Relevant event details
@@ -61,7 +61,7 @@ public class BlockListener implements Listener {
 
     /**
      * Called when a block is placed by a player.
-     *<p />
+     * <p />
      * If a Block Place event is cancelled, the block will not be placed.
      *
      * @param event Relevant event details
@@ -79,7 +79,7 @@ public class BlockListener implements Listener {
 
     /**
      * Called when leaves are decaying naturally.
-     *<p />
+     * <p />
      * If a Leaves Decay event is cancelled, the leaves will not decay.
      *
      * @param event Relevant event details
@@ -97,7 +97,7 @@ public class BlockListener implements Listener {
 
     /**
      * Called when a block is destroyed as a result of being burnt by fire.
-     *<p />
+     * <p />
      * If a Block Burn event is cancelled, the block will not be destroyed as a result of being burnt by fire.
      *
      * @param event Relevant event details
@@ -106,11 +106,11 @@ public class BlockListener implements Listener {
 
     /**
      * Called when a block is broken by a player.
-     *<p />
+     * <p />
      * Note:
      * Plugins wanting to simulate a traditional block drop should set the block to air and utilise their own methods for determining
      *   what the default drop for the block being broken is and what to do about it, if anything.
-     *<p />
+     * <p />
      * If a Block Break event is cancelled, the block will not break.
      *
      * @param event Relevant event details
@@ -120,13 +120,13 @@ public class BlockListener implements Listener {
     /**
      * Called when a block is formed or spreads based on world conditions.
      * Use {@link BlockSpreadEvent} to catch blocks that actually spread and don't just "randomly" form.
-     *<p />
+     * <p />
      * Examples:
-     *<ul>
+     * <ul>
-     *     <li>Snow forming due to a snow storm.</li>
+     * <li>Snow forming due to a snow storm.</li>
-     *     <li>Ice forming in a snowy Biome like Tiga or Tundra.</li>
+     * <li>Ice forming in a snowy Biome like Tiga or Tundra.</li>
      * </ul>
-     *<p />
+     * <p />
      * If a Block Form event is cancelled, the block will not be formed or will not spread.
      *
      * @see BlockSpreadEvent
@@ -137,13 +137,13 @@ public class BlockListener implements Listener {
     /**
      * Called when a block spreads based on world conditions.
      * Use {@link BlockFormEvent} to catch blocks that "randomly" form instead of actually spread.
-     *<p />
+     * <p />
      * Examples:
-     *<ul>
+     * <ul>
-     *     <li>Mushrooms spreading.</li>
+     * <li>Mushrooms spreading.</li>
-     *     <li>Fire spreading.</li>
+     * <li>Fire spreading.</li>
      * </ul>
-     *<p />
+     * <p />
      * If a Block Spread event is cancelled, the block will not spread.
      *
      * @param event Relevant event details
@@ -155,8 +155,8 @@ public class BlockListener implements Listener {
      * <p />
      * Examples:
      * <ul>
-     *     <li>Snow melting due to being near a light source.</li>
+     * <li>Snow melting due to being near a light source.</li>
-     *     <li>Ice melting due to being near a light source.</li>
+     * <li>Ice melting due to being near a light source.</li>
      * </ul>
      * <p />
      * If a Block Fade event is cancelled, the block will not fade, melt or disappear.
@@ -167,7 +167,7 @@ public class BlockListener implements Listener {
 
     /**
      * Called when an item is dispensed from a block.
-     *<p />
+     * <p />
      * If a Block Dispense event is cancelled, the block will not dispense the item.
      *
      * @param event Relevant event details

paper-api/src/main/java/org/bukkit/event/block/BlockPhysicsEvent.java

@@ -7,6 +7,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Thrown when a block physics check is called
  */
+@SuppressWarnings("serial")
 public class BlockPhysicsEvent extends BlockEvent implements Cancellable {
     private final int changed;
     private boolean cancel = false;

paper-api/src/main/java/org/bukkit/event/block/BlockPistonEvent.java

@@ -4,9 +4,9 @@ import org.bukkit.Material;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 import org.bukkit.event.Cancellable;
-import org.bukkit.material.PistonBaseMaterial;
 
-public abstract class BlockPistonEvent extends BlockEvent implements Cancellable                                                                                                                                                              {
+@SuppressWarnings("serial")
+public abstract class BlockPistonEvent extends BlockEvent implements Cancellable {
     private boolean cancelled;
     private BlockFace direction;
 

paper-api/src/main/java/org/bukkit/event/block/BlockPistonExtendEvent.java

@@ -7,6 +7,7 @@ import java.util.List;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 
+@SuppressWarnings("serial")
 public class BlockPistonExtendEvent extends BlockPistonEvent {
     private int length;
     private List<Block> blocks;

paper-api/src/main/java/org/bukkit/event/block/BlockPistonRetractEvent.java

@@ -4,6 +4,7 @@ import org.bukkit.Location;
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockFace;
 
+@SuppressWarnings("serial")
 public class BlockPistonRetractEvent extends BlockPistonEvent {
     public BlockPistonRetractEvent(Block block, BlockFace direction) {
         super(Type.BLOCK_PISTON_RETRACT, block, direction);

paper-api/src/main/java/org/bukkit/event/block/BlockPlaceEvent.java

@@ -8,9 +8,10 @@ import org.bukkit.inventory.ItemStack;
 
 /**
  * Called when a block is placed by a player.
- *<p />
+ * <p />
  * If a Block Place event is cancelled, the block will not be placed.
  */
+@SuppressWarnings("serial")
 public class BlockPlaceEvent extends BlockEvent implements Cancellable {
     protected boolean cancel;
     protected boolean canBuild;

paper-api/src/main/java/org/bukkit/event/block/BlockRedstoneEvent.java

@@ -5,6 +5,7 @@ import org.bukkit.block.Block;
 /**
  * Called when a redstone current changes
  */
+@SuppressWarnings("serial")
 public class BlockRedstoneEvent extends BlockEvent {
     private int oldCurrent;
     private int newCurrent;

paper-api/src/main/java/org/bukkit/event/block/BlockSpreadEvent.java

@@ -2,19 +2,22 @@ package org.bukkit.event.block;
 
 import org.bukkit.block.Block;
 import org.bukkit.block.BlockState;
+
 /**
  * Called when a block spreads based on world conditions.
  * Use {@link BlockFormEvent} to catch blocks that "randomly" form instead of actually spread.
- *<p />
+ * <p />
  * Examples:
- *<ul>
+ * <ul>
- *     <li>Mushrooms spreading.</li>
+ * <li>Mushrooms spreading.</li>
- *     <li>Fire spreading.</li>
+ * <li>Fire spreading.</li>
  * </ul>
- *<p />
+ * <p />
  * If a Block Spread event is cancelled, the block will not spread.
+ *
  * @see BlockFormEvent
  */
+@SuppressWarnings("serial")
 public class BlockSpreadEvent extends BlockFormEvent {
     private Block source;
 

paper-api/src/main/java/org/bukkit/event/block/LeavesDecayEvent.java

@@ -5,9 +5,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when leaves are decaying naturally.
- *<p />
+ * <p />
  * If a Leaves Decay event is cancelled, the leaves will not decay.
  */
+@SuppressWarnings("serial")
 public class LeavesDecayEvent extends BlockEvent implements Cancellable {
     private boolean cancel = false;
 

paper-api/src/main/java/org/bukkit/event/block/SignChangeEvent.java

@@ -9,6 +9,7 @@ import org.bukkit.event.Cancellable;
  * <p />
  * If a Sign Change event is cancelled, the sign will not be changed.
  */
+@SuppressWarnings("serial")
 public class SignChangeEvent extends BlockEvent implements Cancellable {
     private boolean cancel = false;
     private Player player;

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

@@ -7,9 +7,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when a creature is spawned into a world.
- *<p />
+ * <p />
  * If a Creature Spawn event is cancelled, the creature will not spawn.
  */
+@SuppressWarnings("serial")
 public class CreatureSpawnEvent extends EntityEvent implements Cancellable {
 
     private Location location;

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

@@ -5,9 +5,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when a Creeper is struck by lightning.
- *<p />
+ * <p />
  * If a Creeper Power event is cancelled, the Creeper will not be powered.
  */
+@SuppressWarnings("serial")
 public class CreeperPowerEvent extends EntityEvent implements Cancellable {
 
     private boolean canceled;

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

@@ -4,6 +4,7 @@ import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 import org.bukkit.event.Cancellable;
 
+@SuppressWarnings("serial")
 public class EndermanPickupEvent extends EntityEvent implements Cancellable {
 
     private boolean cancel;

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

@@ -4,6 +4,7 @@ import org.bukkit.Location;
 import org.bukkit.entity.Entity;
 import org.bukkit.event.Cancellable;
 
+@SuppressWarnings("serial")
 public class EndermanPlaceEvent extends EntityEvent implements Cancellable {
 
     private boolean cancel;

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

@@ -3,6 +3,7 @@ package org.bukkit.event.entity;
 import org.bukkit.block.Block;
 import org.bukkit.entity.Entity;
 
+@SuppressWarnings("serial")
 public class EntityCombustByBlockEvent extends EntityCombustEvent {
 
     private Block combuster;
@@ -16,6 +17,7 @@ public class EntityCombustByBlockEvent extends EntityCombustEvent {
      * The combuster can be lava or a block that is on fire.
      *
      * WARNING: block may be null.
+     *
      * @return the Block that set the combustee alight.
      */
     public Block getCombuster() {

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

@@ -2,6 +2,7 @@ package org.bukkit.event.entity;
 
 import org.bukkit.entity.Entity;
 
+@SuppressWarnings("serial")
 public class EntityCombustByEntityEvent extends EntityCombustEvent {
 
     private Entity combuster;
@@ -13,6 +14,7 @@ public class EntityCombustByEntityEvent extends EntityCombustEvent {
 
     /**
      * The combuster can be a WeatherStorm a Blaze, or an Entity holding a FIRE_ASPECT enchanted item.
+     *
      * @return the Entity that set the combustee alight.
      */
     public Entity getCombuster() {

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

@@ -5,9 +5,10 @@ import org.bukkit.event.Cancellable;
 
 /**
  * Called when an entity combusts.
- *<p />
+ * <p />
  * If an Entity Combust event is cancelled, the entity will not combust.
  */
+@SuppressWarnings("serial")
 public class EntityCombustEvent extends EntityEvent implements Cancellable {
     private int duration;
     private boolean cancel;
@@ -37,6 +38,7 @@ public class EntityCombustEvent extends EntityEvent implements Cancellable {
      * The number of seconds the combustee should be alight for.
      *
      * This value will only ever increase the combustion time, not decrease existing combustion times.
+     *
      * @param duration the time in seconds to be alight for.
      */
     public void setDuration(int duration) {

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

@@ -6,6 +6,7 @@ import org.bukkit.entity.Entity;
 /**
  * Called when an entity is damaged by a block
  */
+@SuppressWarnings("serial")
 public class EntityDamageByBlockEvent extends EntityDamageEvent {
 
     private Block damager;

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

@@ -5,6 +5,7 @@ import org.bukkit.entity.Entity;
 /**
  * Called when an entity is damaged by an entity
  */
+@SuppressWarnings("serial")
 public class EntityDamageByEntityEvent extends EntityDamageEvent {
 
     private Entity damager;

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

@@ -8,6 +8,7 @@ import org.bukkit.entity.Projectile;
  *
  * @deprecated use {@link EntityDamageByEntityEvent} instead, where {@link EntityDamageByEntityEvent#getDamager()} will return the {@link Projectile}
  */
+@SuppressWarnings("serial")
 @Deprecated
 public class EntityDamageByProjectileEvent extends EntityDamageByEntityEvent {
 

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Event;
 /**
  * Stores data for damage events
  */
+@SuppressWarnings("serial")
 public class EntityDamageEvent extends EntityEvent implements Cancellable {
 
     private int damage;

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

@@ -7,6 +7,7 @@ import org.bukkit.inventory.ItemStack;
 /**
  * Thrown whenever a LivingEntity dies
  */
+@SuppressWarnings("serial")
 public class EntityDeathEvent extends EntityEvent {
     private List<ItemStack> drops;
     private int dropExp = 0;

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

@@ -6,6 +6,7 @@ import org.bukkit.event.Event;
 /**
  * Represents an Entity-related event
  */
+@SuppressWarnings("serial")
 public class EntityEvent extends Event {
     protected Entity entity;
 

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

@@ -10,6 +10,7 @@ import java.util.List;
 /**
  * Called when an entity explodes
  */
+@SuppressWarnings("serial")
 public class EntityExplodeEvent extends EntityEvent implements Cancellable {
     private boolean cancel;
     private Location location;
@@ -40,6 +41,7 @@ public class EntityExplodeEvent extends EntityEvent implements Cancellable {
     /**
      * Returns the list of blocks that would have been removed or were
      * removed from the explosion event.
+     *
      * @return All blown-up blocks
      */
     public List<Block> blockList() {
@@ -50,6 +52,7 @@ public class EntityExplodeEvent extends EntityEvent implements Cancellable {
      * Returns the location where the explosion happened.
      * It is not possible to get this value from the Entity as
      * the Entity no longer exists in the world.
+     *
      * @return The location of the explosion
      */
     public Location getLocation() {
@@ -67,6 +70,7 @@ public class EntityExplodeEvent extends EntityEvent implements Cancellable {
 
     /**
      * Sets the percentage of blocks to drop from this explosion
+     *
      * @param yield The new yield percentage
      */
     public void setYield(float yield) {

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when an entity interacts with an object
  */
+@SuppressWarnings("serial")
 public class EntityInteractEvent extends EntityEvent implements Cancellable {
     protected Block block;
 

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

@@ -12,7 +12,7 @@ public class EntityListener implements Listener {
 
     /**
      * Called when a creature is spawned into a world.
-     *<p />
+     * <p />
      * If a Creature Spawn event is cancelled, the creature will not spawn.
      *
      * @param event Relevant event details
@@ -28,7 +28,7 @@ public class EntityListener implements Listener {
 
     /**
      * Called when an entity combusts.
-     *<p />
+     * <p />
      * If an Entity Combust event is cancelled, the entity will not combust.
      *
      * @param event Relevant event details
@@ -107,7 +107,7 @@ public class EntityListener implements Listener {
 
     /**
      * Called when a Creeper is struck by lightning.
-     *<p />
+     * <p />
      * If a Creeper Power event is cancelled, the Creeper will not be powered.
      *
      * @param event Relevant event details

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

@@ -1,12 +1,12 @@
 package org.bukkit.event.entity;
 
-
 import org.bukkit.entity.Entity;
 import org.bukkit.Location;
 
 /**
  * Stores data for entities standing inside a portal block
  */
+@SuppressWarnings("serial")
 public class EntityPortalEnterEvent extends EntityEvent {
 
     private Location location;

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Event;
 /**
  * Stores data for health-regain events
  */
+@SuppressWarnings("serial")
 public class EntityRegainHealthEvent extends EntityEvent implements Cancellable {
 
     private boolean cancelled;

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Thrown when a LivingEntity is tamed
  */
+@SuppressWarnings("serial")
 public class EntityTameEvent extends EntityEvent implements Cancellable {
     private boolean cancelled;
     private AnimalTamer owner;

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

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when a creature targets or untargets another entity
  */
+@SuppressWarnings("serial")
 public class EntityTargetEvent extends EntityEvent implements Cancellable {
     private boolean cancel;
     private Entity target;
@@ -28,6 +29,7 @@ public class EntityTargetEvent extends EntityEvent implements Cancellable {
 
     /**
      * Returns the reason for the targeting
+     *
      * @return The reason
      */
     public TargetReason getReason() {
@@ -38,6 +40,7 @@ public class EntityTargetEvent extends EntityEvent implements Cancellable {
      * Get the entity that this is targeting.
      * This will be null in the case that the event is called when
      * the mob forgets its target.
+     *
      * @return The entity
      */
     public Entity getTarget() {

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when an entity has made a decision to explode.
  */
+@SuppressWarnings("serial")
 public class ExplosionPrimeEvent extends EntityEvent implements Cancellable {
     private boolean cancel;
     private float radius;

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

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when a human entity's food level changes
  */
+@SuppressWarnings("serial")
 public class FoodLevelChangeEvent extends EntityEvent implements Cancellable {
     private boolean cancel = false;
     private int level;

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

@@ -7,6 +7,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when an item is spawned into a world
  */
+@SuppressWarnings("serial")
 public class ItemSpawnEvent extends EntityEvent implements Cancellable {
 
     private Location location;

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

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Stores data for pigs being zapped
  */
+@SuppressWarnings("serial")
 public class PigZapEvent extends EntityEvent implements Cancellable {
 
     private boolean canceled;

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

@@ -8,6 +8,7 @@ import org.bukkit.inventory.ItemStack;
 /**
  * Thrown whenever a {@link Player} dies
  */
+@SuppressWarnings("serial")
 public class PlayerDeathEvent extends EntityDeathEvent {
     private int newExp = 0;
     private String deathMessage = "";

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

@@ -5,6 +5,7 @@ import org.bukkit.entity.Projectile;
 /**
  * Called when a projectile hits an object
  */
+@SuppressWarnings("serial")
 public class ProjectileHitEvent extends EntityEvent {
 
     public ProjectileHitEvent(Projectile projectile) {

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

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Called when a Slime splits into smaller Slimes upon death
  */
+@SuppressWarnings("serial")
 public class SlimeSplitEvent extends EntityEvent implements Cancellable {
     private boolean cancel;
     private int count;

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

@@ -4,9 +4,11 @@ import org.bukkit.block.Block;
 import org.bukkit.event.Cancellable;
 import org.bukkit.event.Event;
 import org.bukkit.inventory.ItemStack;
+
 /**
  * Called when an ItemStack is successfully burned as fuel in a furnace.
  */
+@SuppressWarnings("serial")
 public class FurnaceBurnEvent extends Event implements Cancellable {
     private Block furnace;
     private ItemStack fuel;

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

@@ -8,7 +8,8 @@ import org.bukkit.inventory.ItemStack;
 /**
  * Called when an ItemStack is successfully smelted in a furnace.
  */
-public class FurnaceSmeltEvent extends Event implements Cancellable{
+@SuppressWarnings("serial")
+public class FurnaceSmeltEvent extends Event implements Cancellable {
     private Block furnace;
     private ItemStack source;
     private ItemStack result;
@@ -56,7 +57,7 @@ public class FurnaceSmeltEvent extends Event implements Cancellable{
      * @param result new result ItemStack
      */
     public void setResult(ItemStack result) {
-         this.result = result;
+        this.result = result;
     }
 
     public boolean isCancelled() {

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

@@ -1,8 +1,9 @@
 package org.bukkit.event.inventory;
 
 import org.bukkit.event.Listener;
+
 /**
-* Handles all events thrown in relation to Blocks
+ * Handles all events thrown in relation to Blocks
  */
 public class InventoryListener implements Listener {
     public InventoryListener() {}

paper-api/src/main/java/org/bukkit/event/painting/PaintingBreakByEntityEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.entity.Painting;
 /**
  * Triggered when a painting is removed by an entity
  */
+@SuppressWarnings("serial")
 public class PaintingBreakByEntityEvent extends PaintingBreakEvent {
     private Entity remover;
 

paper-api/src/main/java/org/bukkit/event/painting/PaintingBreakEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Cancellable;
 /**
  * Triggered when a painting is removed
  */
+@SuppressWarnings("serial")
 public class PaintingBreakEvent extends PaintingEvent implements Cancellable {
 
     private boolean cancelled;

paper-api/src/main/java/org/bukkit/event/painting/PaintingEvent.java

@@ -6,6 +6,7 @@ import org.bukkit.event.Event;
 /**
  * Represents a painting-related event.
  */
+@SuppressWarnings("serial")
 public class PaintingEvent extends Event {
 
     protected Painting painting;