All Classes

Class	Description
AbstractArrow	Represents an arrow.
AbstractArrow.PickupStatus	Represents the pickup status of this arrow.
AbstractHorse	Represents a Horse-like creature.
AbstractHorseInventory	An interface to the inventory of an AbstractHorse.
AbstractVillager	Represents a villager NPC
Action
Advancement	Represents an advancement that may be awarded to a player.
AdvancementProgress	The individual status of an advancement for a player.
Ageable	'age' represents the different growth stages that a crop-like block can go through.
Ageable	Represents an entity that can age.
Ambient	Represents an ambient mob
AnaloguePowerable	'power' represents the redstone power level currently being emitted or transmitted via this block.
Animals	Represents an Animal.
AnimalTamer
AnvilInventory	Interface to the inventory of an Anvil.
AreaEffectCloud	Represents an area effect cloud which will imbue a potion effect onto entities which enter it.
AreaEffectCloudApplyEvent	Called when a lingering potion applies it's effects.
ArmorStand
ArmorStand.LockType	Represents types of locking mechanisms for ArmorStand equipment.
Arrow
ArrowBodyCountChangeEvent	Called when an arrow enters or exists an entity's body.
Art	Represents the art on a painting
AsyncPlayerChatEvent	This event will sometimes fire synchronously, depending on how it was triggered.
AsyncPlayerPreLoginEvent	Stores details for players attempting to log in.
AsyncPlayerPreLoginEvent.Result	Basic kick reasons for communicating to plugins
Attachable	'attached' denotes whether a tripwire hook or string forms a complete tripwire circuit and is ready to trigger.
Attachable	Indicates that a block can be attached to another block
Attributable	Represents an object which may contain attributes.
Attribute	Types of attributes which may be present on an Attributable.
AttributeInstance	Represents a mutable instance of an attribute and its associated modifiers and values.
AttributeModifier	Concrete implementation of an attribute modifier.
AttributeModifier.Operation	Enumerable operation to be applied.
AuthorNagException
Axis	Represents a mutually perpendicular axis in 3D Cartesian coordinates.
Bamboo	'leaves' represents the size of the leaves on this bamboo block.
Bamboo.Leaves	Bamboo leaf size.
BanEntry	A single entry from a ban list.
BanList	A ban list, containing bans of some BanList.Type.
BanList.Type	Represents a ban-type that a BanList may track.
Banner	Represents a captured state of a banner.
Banner	Deprecated. all usage of MaterialData is deprecated and subject to removal.
BannerMeta
BarColor
BarFlag
Barrel	Represents a captured state of a Barrel.
BarStyle
Bat	Represents a Bat
BatToggleSleepEvent	Called when a bat attempts to sleep or wake up from its slumber.
Beacon	Represents a captured state of a beacon.
BeaconInventory	Interface to the inventory of a Beacon.
Bed	Deprecated. does not provide useful information beyond the material itself
Bed	Similar to Bisected, 'part' denotes which half of the bed this block corresponds to.
Bed	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Bed.Part	Horizontal half of a bed.
Bee	Represents a Bee.
Beehive	Represents a captured state of a bee hive.
Beehive	'honey_level' represents the amount of honey stored in the hive.
Bell	Represents a captured state of Bell.
Bell	'attachment' denotes how the bell is attached to its block.
Bell.Attachment	What the bell is attached to.
Biome	Holds all accepted Biomes in the default server
Bisected	'half' denotes which half of a two block tall material this block is.
Bisected.Half	The half of a vertically bisected block.
BlastFurnace	Represents a captured state of a blast furnace.
BlastingRecipe	Represents a campfire recipe.
Blaze	Represents a Blaze monster
Block	Represents a block.
BlockBreakEvent	Called when a block is broken by a player.
BlockBurnEvent	Called when a block is destroyed as a result of being burnt by fire.
BlockCanBuildEvent	Called when we try to place a block, to see if we can build it here or not.
BlockChangeDelegate	A delegate for handling block changes.
BlockCommandSender
BlockCookEvent	Called when an ItemStack is successfully cooked in a block.
BlockDamageEvent	Called when a block is damaged by a player.
BlockData
BlockDataMeta
BlockDispenseArmorEvent	Called when an equippable item is dispensed from a block and equipped on a nearby entity.
BlockDispenseEvent	Called when an item is dispensed from a block.
BlockDropItemEvent	Called if a block broken by a player drops an item.
BlockEvent	Represents a block related event.
BlockExpEvent	An event that's called when a block yields experience.
BlockExplodeEvent	Called when a block explodes
BlockFace	Represents the face of a block
BlockFadeEvent	Called when a block fades, melts or disappears based on world conditions
BlockFertilizeEvent	Called with the block changes resulting from a player fertilizing a given block with bonemeal.
BlockFormEvent	Called when a block is formed or spreads based on world conditions.
BlockFromToEvent	Represents events with a source block and a destination block, currently only applies to liquid (lava and water) and teleporting dragon eggs.
BlockGrowEvent	Called when a block grows naturally in the world.
BlockIgniteEvent	Called when a block is ignited.
BlockIgniteEvent.IgniteCause	An enum to specify the cause of the ignite
BlockInventoryHolder	Represents a block inventory holder - either a BlockState, or a regular Block.
BlockIterator	This class performs ray tracing and iterates along blocks on a line
BlockMultiPlaceEvent	Fired when a single block placement action of a player triggers the creation of multiple blocks(e.g.
BlockPhysicsEvent	Thrown when a block physics check is called.
BlockPistonEvent	Called when a piston block is triggered
BlockPistonExtendEvent	Called when a piston extends
BlockPistonRetractEvent	Called when a piston retracts
BlockPlaceEvent	Called when a block is placed by a player.
BlockPopulator	A block populator is responsible for generating a small area of blocks.
BlockProjectileSource
BlockRedstoneEvent	Called when a redstone current changes
BlockShearEntityEvent	Event fired when a dispenser shears a nearby sheep.
BlockSpreadEvent	Called when a block spreads based on world conditions.
BlockState	Represents a captured state of a block, which will not change automatically.
BlockStateMeta
BlockVector	A vector with a hash function that floors the X, Y, Z components, a la BlockVector in WorldEdit.
Boat	Represents a boat entity.
BookMeta	Represents a book (Material.WRITABLE_BOOK or Material.WRITTEN_BOOK) that can have a title, an author, and pages.
BookMeta.Generation	Represents the generation (or level of copying) of a written book
BookMeta.Spigot
BooleanPrompt	BooleanPrompt is the base class for any prompt that requires a boolean response from the user.
Boss	Represents the Boss Entity.
BossBar
BoundingBox	A mutable axis aligned bounding box (AABB).
Breedable	Represents an entity that can age and breed.
BrewerInventory	Interface to the inventory of a Brewing Stand.
BrewEvent	Called when the brewing of the contents inside the Brewing Stand is complete.
BrewingStand	Represents a captured state of a brewing stand.
BrewingStand	Interface to the 'has_bottle_0', 'has_bottle_1', 'has_bottle_2' flags on a brewing stand which indicate which bottles are rendered on the outside.
BrewingStandFuelEvent	Called when an ItemStack is about to increase the fuel level of a brewing stand.
BroadcastMessageEvent	Event triggered for server broadcast messages such as from Server.broadcast(String, String).
BroadcastPermissions
BubbleColumn	'drag' indicates whether a force will be applied on entities moving through this block.
Bukkit	Represents the Bukkit core, for version and Server singleton handling
BukkitCommand
BukkitObjectInputStream	This class is designed to be used in conjunction with the ConfigurationSerializable API.
BukkitObjectOutputStream	This class is designed to be used in conjunction with the ConfigurationSerializable API.
BukkitRunnable	This class is provided as an easy way to handle scheduling tasks.
BukkitScheduler
BukkitTask	Represents a task being executed by the scheduler
BukkitWorker	Represents a worker thread for the scheduler.
Button	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CachedServerIcon	This is a cached version of a server-icon.
Cake	'bites' represents the amount of bites which have been taken from this slice of cake.
Cake	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Campfire	Represents a captured state of a campfire.
Campfire	'signal_fire' denotes whether the fire is extra smokey due to having a hay bale placed beneath it.
CampfireRecipe	Represents a campfire recipe.
Cancellable
CartographyInventory	Interface to the inventory of a Cartography table.
Cat	Meow.
Cat.Type	Represents the various different cat types there are.
Cauldron	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CauldronLevelChangeEvent
CauldronLevelChangeEvent.ChangeReason
CaveSpider	Represents a Spider.
Chain
ChannelNameTooLongException	Thrown if a Plugin Channel is too long.
ChannelNotRegisteredException	Thrown if a Plugin attempts to send a message on an unregistered channel.
ChatColor	All supported color values for chat
ChatPaginator	The ChatPaginator takes a raw string of arbitrary length and breaks it down into an array of strings appropriate for displaying on the Minecraft player console.
ChatPaginator.ChatPage
Chest	Represents a captured state of a chest.
Chest	'type' represents which part of a double chest this block is, or if it is a single chest.
Chest	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Chest.Type	Type of this chest block.
ChestedHorse	Represents Horse-like creatures which can carry an inventory.
Chicken	Represents a Chicken.
Chunk	Represents a chunk of blocks
ChunkEvent	Represents a Chunk related event
ChunkGenerator	A chunk generator is responsible for the initial shaping of an entire chunk.
ChunkGenerator.BiomeGrid	Interface to biome section for chunk to be generated: initialized with default values for world type and seed.
ChunkGenerator.ChunkData	Data for a Chunk.
ChunkLoadEvent	Called when a chunk is loaded
ChunkPopulateEvent	Thrown when a new chunk has finished being populated.
ChunkSnapshot	Represents a static, thread-safe snapshot of chunk of blocks.
ChunkUnloadEvent	Called when a chunk is unloaded
ClickType	What the client did to trigger this action (not the result).
Coal	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CoalType	Represents the two types of coal
Cocoa
CocoaPlant	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CocoaPlant.CocoaPlantSize
Cod	Represents a cod fish.
Color	A container for a color palette.
Colorable	An object that can be colored.
Command	Represents a Command, which executes various tasks upon user input
Command	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CommandBlock	Represents a captured state of a command block.
CommandBlock	'conditional' denotes whether this command block is conditional or not, i.e.
CommandException	Thrown when an unhandled exception occurs during the execution of a Command
CommandExecutor	Represents a class which contains a single method for executing commands
CommandMap
CommandMinecart
CommandPermissions
CommandSender
CommandSender.Spigot
Comparator	Represents a captured state of an on / off comparator.
Comparator	'mode' indicates what mode this comparator will operate in.
Comparator	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Comparator.Mode	The mode in which a comparator will operate in.
CompassMeta	Represents a compass that can track a specific location.
ComplexEntityPart	Represents a single part of a ComplexLivingEntity
ComplexLivingEntity	Represents a complex living entity - one that is made up of various smaller parts
ComplexRecipe	Represents a complex recipe which has imperative server-defined behavior, eg armor dyeing.
Conduit	Represents a captured state of a conduit.
Configuration	Represents a source of configurable options and settings
ConfigurationOptions	Various settings for controlling the input and output of a Configuration
ConfigurationSection	Represents a section of a Configuration
ConfigurationSerializable	Represents an object that may be serialized.
ConfigurationSerialization	Utility class for storing and retrieving classes for Configuration.
ConsoleCommandSender
Consumer<T>	Represents an operation that accepts a single input argument and returns no result.
Container	Represents a captured state of a container block.
Conversable	The Conversable interface is used to indicate objects that can have conversations.
Conversation	The Conversation class is responsible for tracking the current state of a conversation, displaying prompts to the user, and dispatching the user's response to the appropriate place.
Conversation.ConversationState
ConversationAbandonedEvent	ConversationAbandonedEvent contains information about an abandoned conversation.
ConversationAbandonedListener
ConversationCanceller	A ConversationCanceller is a class that cancels an active Conversation.
ConversationContext	A ConversationContext provides continuity between nodes in the prompt graph by giving the developer access to the subject of the conversation and a generic map for storing values that are shared between all Prompt invocations.
ConversationFactory	A ConversationFactory is responsible for creating a Conversation from a predefined template.
ConversationPrefix	A ConversationPrefix implementation prepends all output from the conversation to the player.
CookingRecipe<T extends CookingRecipe>	Represents a cooking recipe.
CoralWallFan
Cow	Represents a Cow.
CraftingInventory	Interface to the crafting inventories
CraftItemEvent	Called when the recipe of an Item is completed inside a crafting matrix.
Creature	Represents a Creature.
CreatureSpawner	Represents a captured state of a creature spawner.
CreatureSpawnEvent	Called when a creature is spawned into a world.
CreatureSpawnEvent.SpawnReason	An enum to specify the type of spawning
Creeper	Represents a Creeper
CreeperPowerEvent	Called when a Creeper is struck by lightning.
CreeperPowerEvent.PowerCause	An enum to specify the cause of the change in power
Criterias	Criteria names which trigger an objective to be modified by actions in-game
Crops	Deprecated. all usage of MaterialData is deprecated and subject to removal.
CropState	Represents the different growth states of crops
CrossbowMeta
CustomItemTagContainer	Deprecated. this API part has been replaced by the PersistentDataHolder API.
CustomTimingsHandler	Provides custom timing sections for /timings merged.
Damageable	Represents an Entity that has health and can take damage.
Damageable	Represents an item that has durability and can take damage.
DaylightDetector	'inverted' denotes whether this daylight detector is in the inverted mode, i.e.
DaylightDetector	Represents a captured state of a (possibly inverted) daylight detector.
DefaultPermissions
DelegateDeserialization	Applies to a ConfigurationSerializable that will delegate all deserialization to another ConfigurationSerializable.
DetectorRail	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Difficulty	Represents the various difficulty levels that are available.
Diode	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Directional	'facing' represents the face towards which the block is pointing.
Directional
DirectionalContainer	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Dispenser	Similar to Powerable, 'triggered' indicates whether or not the dispenser is currently activated.
Dispenser	Represents a captured state of a dispenser.
Dispenser	Deprecated. all usage of MaterialData is deprecated and subject to removal.
DisplaySlot	Locations for displaying objectives to the player
Dolphin
Donkey	Represents a Donkey - variant of ChestedHorse.
Door	'hinge' indicates which hinge this door is attached to and will rotate around when opened.
Door	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Door.Hinge	The hinge of a door.
DoubleChest	Represents a double chest.
DoubleChestInventory	Interface to the inventory of a Double Chest.
DragonBattle	Represents a dragon battle state for a world with an end environment.
DragonBattle.RespawnPhase	Represents a phase in the dragon respawn process.
DragonFireball
DragType	Represents the effect of a drag that will be applied to an Inventory in an InventoryDragEvent.
Dropper	Represents a captured state of a dropper.
Drowned	Drowned zombie.
Dye	Deprecated. all usage of MaterialData is deprecated and subject to removal.
DyeColor	All supported color values for dyes and cloth
Effect	A list of effects that the server is able to send to players.
Effect.Type	Represents the type of an effect.
Egg	Represents a thrown egg.
ElderGuardian	Represents an ElderGuardian - variant of Guardian.
EnchantingInventory	Interface to the inventory of an Enchantment Table.
EnchantingTable	Represents a captured state of an enchanting table.
EnchantItemEvent	Called when an ItemStack is successfully enchanted (currently at enchantment table)
Enchantment	The various type of enchantments that may be added to armour or weapons
EnchantmentOffer	A class for the available enchantment offers in the enchantment table.
EnchantmentStorageMeta	EnchantmentMeta is specific to items that can store enchantments, as opposed to being enchanted.
EnchantmentTarget	Represents the applicable target for a Enchantment
EnchantmentWrapper	A simple wrapper for ease of selecting Enchantments
EnderChest
EnderChest	Represents a captured state of an ender chest.
EnderChest	Deprecated. all usage of MaterialData is deprecated and subject to removal.
EnderCrystal	A crystal that heals nearby EnderDragons
EnderDragon	Represents an Ender Dragon
EnderDragon.Phase	Represents a phase or action that an Ender Dragon can perform.
EnderDragonChangePhaseEvent	Called when an EnderDragon switches controller phase.
EnderDragonPart	Represents an ender dragon part
Enderman	Represents an Enderman.
Endermite
EnderPearl	Represents a thrown Ender Pearl entity
EnderSignal	Represents an EnderSignal, which is created upon throwing an ender eye.
EndGateway	Represents a captured state of an end gateway.
EndPortalFrame	'eye' denotes whether this end portal frame has been activated by having an eye of ender placed in it.
Entity	Represents a base entity in the world
Entity.Spigot
EntityAirChangeEvent	Called when the amount of air an entity has remaining changes.
EntityBlockFormEvent	Called when a block is formed by entities.
EntityBlockStorage<T extends Entity>	Represents a captured state of a block which stores entities.
EntityBreakDoorEvent	Called when an Entity breaks a door
EntityBreedEvent	Called when one Entity breeds with another Entity.
EntityCategory	A classification of entities which may behave differently than others or be affected uniquely by enchantments and potion effects among other things.
EntityChangeBlockEvent	Called when any Entity changes a block and a more specific event is not available.
EntityCombustByBlockEvent	Called when a block causes an entity to combust.
EntityCombustByEntityEvent	Called when an entity causes another entity to combust.
EntityCombustEvent	Called when an entity combusts.
EntityCreatePortalEvent	Deprecated. Use PortalCreateEvent
EntityDamageByBlockEvent	Called when an entity is damaged by a block
EntityDamageByEntityEvent	Called when an entity is damaged by an entity
EntityDamageEvent	Stores data for damage events
EntityDamageEvent.DamageCause	An enum to specify the cause of the damage
EntityDamageEvent.DamageModifier	Deprecated. This API is responsible for a large number of implementation problems and is in general unsustainable to maintain.
EntityDeathEvent	Thrown whenever a LivingEntity dies
EntityDismountEvent	Called when an entity stops riding another entity.
EntityDropItemEvent	Thrown when an entity creates an item drop.
EntityEffect	A list of all Effects that can happen to entities.
EntityEnterBlockEvent	Called when an Entity enters a block and is stored in that block.
EntityEnterLoveModeEvent	Called when an entity enters love mode.
EntityEquipment	An interface to a creatures inventory
EntityEvent	Represents an Entity-related event
EntityExplodeEvent	Called when an entity explodes
EntityInteractEvent	Called when an entity interacts with an object
EntityMountEvent	Called when an entity attempts to ride another entity.
EntityPickupItemEvent	Thrown when a entity picks an item up from the ground
EntityPlaceEvent	Deprecated. draft API
EntityPortalEnterEvent	Called when an entity comes into contact with a portal
EntityPortalEvent	Called when a non-player entity is about to teleport because it is in contact with a portal.
EntityPortalExitEvent	Called before an entity exits a portal.
EntityPoseChangeEvent	Called when an entity changes its pose.
EntityPotionEffectEvent	Called when a potion effect is modified on an entity.
EntityPotionEffectEvent.Action	An enum to specify the action to be performed.
EntityPotionEffectEvent.Cause	An enum to specify the cause why an effect was changed.
EntityRegainHealthEvent	Stores data for health-regain events
EntityRegainHealthEvent.RegainReason	An enum to specify the type of health regaining that is occurring
EntityResurrectEvent	Called when an entity dies and may have the opportunity to be resurrected.
EntityShootBowEvent	Called when a LivingEntity shoots a bow firing an arrow
EntitySpawnEvent	Called when an entity is spawned into a world.
EntitySpellCastEvent	Called when a Spellcaster casts a spell.
EntityTameEvent	Thrown when a LivingEntity is tamed
EntityTargetEvent	Called when a creature targets or untargets another entity
EntityTargetEvent.TargetReason	An enum to specify the reason for the targeting
EntityTargetLivingEntityEvent	Called when an Entity targets a LivingEntity and can only target LivingEntity's.
EntityTeleportEvent	Thrown when a non-player entity is teleported from one location to another.
EntityToggleGlideEvent	Sent when an entity's gliding status is toggled with an Elytra.
EntityToggleSwimEvent	Sent when an entity's swimming status is toggled.
EntityTransformEvent	Called when an entity is about to be replaced by another entity.
EntityTransformEvent.TransformReason
EntityType
EntityUnleashEvent	Called immediately prior to an entity being unleashed.
EntityUnleashEvent.UnleashReason
EquipmentSlot
EulerAngle	EulerAngle is used to represent 3 angles, one for each axis (x, y, z).
Event	Represents an event.
Event.Result
EventException
EventExecutor	Interface which defines the class for event call backs to plugins
EventHandler	An annotation to mark methods as being event handler methods
EventPriority	Represents an event's priority in execution
Evoker	Represents an Evoker "Illager".
Evoker.Spell	Deprecated. future versions of Minecraft have additional spell casting entities.
EvokerFangs	Represents Evoker Fangs.
ExactMatchConversationCanceller	An ExactMatchConversationCanceller cancels a conversation if the user enters an exact input string
ExpBottleEvent	Called when a ThrownExpBottle hits and releases experience.
ExperienceOrb	Represents an Experience Orb.
ExplosionPrimeEvent	Called when an entity has made a decision to explode.
Explosive	A representation of an explosive entity
ExplosiveMinecart	Represents a Minecart with TNT inside it that can explode when triggered.
ExtendedRails	Deprecated. all usage of MaterialData is deprecated and subject to removal.
FaceAttachable	'face' represents the face to which a lever or button is stuck.
FaceAttachable.AttachedFace	The face to which a switch type block is stuck.
FallingBlock	Represents a falling block
Farmland	The 'moisture' level of farmland indicates how close it is to a water source (if any).
Fence
FileConfiguration	This is a base class for all File based implementations of Configuration
FileConfigurationOptions	Various settings for controlling the input and output of a FileConfiguration
FileUtil	Class containing file utilities
Fire	md_5's mixtape.
Fireball	Represents a Fireball.
Firework
FireworkEffect	Represents a single firework effect.
FireworkEffect.Builder	This is a builder for FireworkEffects.
FireworkEffect.Type	The type or shape of the effect.
FireworkEffectMeta	Represents a meta that can store a single FireworkEffect.
FireworkExplodeEvent	Called when a firework explodes.
FireworkMeta	Represents a Material.FIREWORK_ROCKET and its effects.
Fish	Represents a fish entity.
FishHook	Represents a fishing hook.
FixedMetadataValue	A FixedMetadataValue is a special case metadata item that contains the same value forever after initialization.
FixedSetPrompt	FixedSetPrompt is the base class for any prompt that requires a fixed set response from the user.
FlowerPot	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Fluid
FluidCollisionMode	Determines the collision behavior when fluids get hit during ray tracing.
FluidLevelChangeEvent	Called when the fluid level of a block changes due to changes in adjacent blocks.
Flying	Represents a Flying Entity.
FoodLevelChangeEvent	Called when a human entity's food level changes
FormattedCommandAlias
Fox	What does the fox say?
Fox.Type	Represents the various different fox types there are.
Furnace
Furnace	Represents a captured state of a furnace.
Furnace	Deprecated. all usage of MaterialData is deprecated and subject to removal.
FurnaceAndDispenser	Deprecated. all usage of MaterialData is deprecated and subject to removal.
FurnaceBurnEvent	Called when an ItemStack is successfully burned as fuel in a furnace.
FurnaceExtractEvent	This event is called when a player takes items out of the furnace
FurnaceInventory	Interface to the inventory of a Furnace.
FurnaceRecipe	Represents a furnace recipe.
FurnaceSmeltEvent	Called when an ItemStack is successfully smelted in a furnace.
GameMode	Represents the various type of game modes that HumanEntitys may have
GameRule<T>	GameRules dictate certain behavior within Minecraft itself For more information please visit the Minecraft Wiki
Gate	'in_wall" indicates if the fence gate is attached to a wall, and if true the texture is lowered by a small amount to blend in better.
Gate	Deprecated. all usage of MaterialData is deprecated and subject to removal.
GenericCommandHelpTopic	Lacking an alternative, the help system will create instances of GenericCommandHelpTopic for each command in the server's CommandMap.
Ghast	Represents a Ghast.
Giant	Represents a Giant.
GlassPane
Golem	A mechanical creature that may harm enemies.
GrassSpecies	Represents the different types of grass.
Grindstone
GrindstoneInventory	Interface to the inventory of a Grindstone.
Guardian
HandlerList	A list of event handlers, stored per-event.
Hanging	Represents a Hanging entity
HangingBreakByEntityEvent	Triggered when a hanging entity is removed by an entity
HangingBreakEvent	Triggered when a hanging entity is removed
HangingBreakEvent.RemoveCause	An enum to specify the cause of the removal
HangingEvent	Represents a hanging entity-related event.
HangingPlaceEvent	Triggered when a hanging entity is created in the world
HeightMap	Further information regarding heightmaps.
HelpCommand
HelpMap	The HelpMap tracks all help topics registered in a Bukkit server.
HelpTopic	HelpTopic implementations are displayed to the user when the user uses the /help command.
HelpTopicComparator	Used to impose a custom total ordering on help topics.
HelpTopicComparator.TopicNameComparator
HelpTopicFactory<TCommand extends Command>	A HelpTopicFactory is used to create custom HelpTopic objects from commands that inherit from a common base class or have executors that inherit from a common base class.
Hoglin	Represents a Hoglin.
Hopper	Similar to Powerable, 'enabled' indicates whether or not the hopper is currently activated.
Hopper	Represents a captured state of a hopper.
Hopper	Deprecated. all usage of MaterialData is deprecated and subject to removal.
HopperMinecart	Represents a Minecart with a Hopper inside it
Horse	Represents a Horse.
Horse.Color	Represents the base color that the horse has.
Horse.Style	Represents the style, or markings, that the horse has.
Horse.Variant	Deprecated. different variants are differing classes
HorseInventory	An interface to the inventory of a Horse.
HorseJumpEvent	Called when a horse jumps.
HumanEntity	Represents a human entity, such as an NPC or a player
Husk	Represents a Husk - variant of Zombie.
Illager	Represents a type of "Illager".
IllegalPluginAccessException	Thrown when a plugin attempts to interact with the server when it is not enabled
Illusioner	Represents an Illusioner "Illager".
InactivityConversationCanceller	An InactivityConversationCanceller will cancel a Conversation after a period of inactivity by the user.
IndexHelpTopic	This help topic generates a list of other help topics.
Instrument
InvalidConfigurationException	Exception thrown when attempting to load an invalid Configuration
InvalidDescriptionException	Thrown when attempting to load an invalid PluginDescriptionFile
InvalidPluginException	Thrown when attempting to load an invalid Plugin file
Inventory	Interface to the various inventories.
InventoryAction	An estimation of what the result will be.
InventoryClickEvent	This event is called when a player clicks a slot in an inventory.
InventoryCloseEvent	Represents a player related inventory event
InventoryCreativeEvent	This event is called when a player in creative mode puts down or picks up an item in their inventory / hotbar and when they drop items from their Inventory while in creative mode.
InventoryDragEvent	This event is called when the player drags an item in their cursor across the inventory.
InventoryEvent	Represents a player related inventory event
InventoryHolder
InventoryInteractEvent	An abstract base class for events that describe an interaction between a HumanEntity and the contents of an Inventory.
InventoryMoveItemEvent	Called when some entity or block (e.g.
InventoryOpenEvent	Represents a player related inventory event
InventoryPickupItemEvent	Called when a hopper or hopper minecart picks up a dropped item.
InventoryType	Represents the different kinds of inventories available in Bukkit.
InventoryType.SlotType
InventoryView	Represents a view linking two inventories and a single player (whose inventory may or may not be one of the two).
InventoryView.Property	Represents various extra properties of certain inventory windows.
IronGolem	An iron Golem that protects Villages.
Item	Represents a dropped item.
ItemDespawnEvent	This event is called when a Item is removed from the world because it has existed for 5 minutes.
ItemFactory	An instance of the ItemFactory can be obtained with Server.getItemFactory().
ItemFlag	A ItemFlag can hide some Attributes from ItemStacks
ItemFrame	Represents an Item Frame
ItemMergeEvent
ItemMeta	This type represents the storage mechanism for auxiliary item data.
ItemSpawnEvent	Called when an item is spawned into a world
ItemStack	Represents a stack of items.
ItemTagAdapterContext	Deprecated. this API part has been replaced by PersistentDataHolder.
ItemTagType<T,Z>	Deprecated. please use PersistentDataType as this part of the api is being replaced
ItemTagType.PrimitiveTagType<T>	A default implementation that simply exists to pass on the retrieved or inserted value to the next layer.
JavaPlugin	Represents a Java plugin
JavaPluginLoader	Represents a Java plugin loader, allowing plugins in the form of .jar
Jigsaw	'orientation' is the direction the block is facing.
Jigsaw	Represents a captured state of a jigsaw.
Jigsaw.Orientation	The directions the Jigsaw can be oriented.
Jukebox	'has_record' is a quick flag to check whether this jukebox has a record inside it.
Jukebox	Represents a captured state of a jukebox.
Keyed	Represents an object which has a NamespacedKey attached to it.
KeyedBossBar	Represents a custom BossBar that has a NamespacedKey
KnowledgeBookMeta
Ladder
Ladder	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Lantern	'hanging' denotes whether the lantern is hanging from a block.
LargeFireball	Represents a large Fireball
LazyMetadataValue	The LazyMetadataValue class implements a type of metadata that is not computed until another plugin asks for it.
LazyMetadataValue.CacheStrategy	Describes possible caching strategies for metadata.
LeashHitch	Represents a Leash Hitch on a fence
LeatherArmorMeta	Represents leather armor (Material.LEATHER_BOOTS, Material.LEATHER_CHESTPLATE, Material.LEATHER_HELMET, or Material.LEATHER_LEGGINGS) that can be colored.
Leaves	'persistent' indicates whether or not leaves will be checked by the server to see if they are subject to decay or not.
Leaves	Deprecated. all usage of MaterialData is deprecated and subject to removal.
LeavesDecayEvent	Called when leaves are decaying naturally.
Lectern	'has_book' is a quick flag to check whether this lectern has a book inside it.
Lectern	Represents a captured state of a lectern.
LecternInventory	Interface to the inventory of a Lectern.
Levelled	'level' represents the amount of fluid contained within this block, either by itself or inside a cauldron.
Lever	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Lidded
Lightable	'lit' denotes whether this block (either a redstone torch or furnace) is currently lit - that is not burned out.
LightningStrike	Represents an instance of a lightning strike.
LightningStrike.Spigot
LightningStrikeEvent	Stores data for lightning striking
LightningStrikeEvent.Cause
LingeringPotion	Deprecated. lingering status depends on only on the potion item.
LingeringPotionSplashEvent	Called when a splash potion hits an area
Listener	Simple interface for tagging all EventListeners
LivingEntity	Represents a living entity, such as a monster or player
Llama	Represents a Llama.
Llama.Color	Represents the base color that the llama has.
LlamaInventory	An interface to the inventory of a Llama.
LlamaSpit	Represents Llama spit.
Location	Represents a 3-dimensional position in a world.
Lockable	Represents a block (usually a container) that may be locked.
LongGrass	Deprecated. all usage of MaterialData is deprecated and subject to removal.
LoomInventory	Interface to the inventory of a Loom.
Lootable	Represents a Container or a Mob that can have a loot table.
LootContext	Represents additional information a LootTable can use to modify it's generated loot.
LootContext.Builder	Utility class to make building LootContext easier.
LootGenerateEvent	Called when a LootTable is generated in the world for an InventoryHolder.
LootTable	LootTables are technical files that represent what items should be in naturally generated containers, what items should be dropped when killing a mob, or what items can be fished.
LootTables	This enum holds a list of all known LootTables offered by Mojang.
MagmaCube	Represents a MagmaCube.
MainHand	Represents the chosen main hand of a player
ManuallyAbandonedConversationCanceller	The ManuallyAbandonedConversationCanceller is only used as part of a ConversationAbandonedEvent to indicate that the conversation was manually abandoned by programmatically calling the abandon() method on it.
MapCanvas	Represents a canvas for drawing to a map.
MapCursor	Represents a cursor on a map.
MapCursor.Type	Represents the standard types of map cursors.
MapCursorCollection	Represents all the map cursors on a MapCanvas.
MapFont	Represents a bitmap font drawable to a map.
MapFont.CharacterSprite	Represents the graphics for a single character in a MapFont.
MapInitializeEvent	Called when a map is initialized.
MapMeta	Represents a map that can be scalable.
MapPalette	Represents the palette that map items use.
MapRenderer	Represents a renderer for a map.
MapView	Represents a map item.
MapView.Scale	An enum representing all possible scales a map can be set to.
Material	An enum of all material IDs accepted by the official server and client
MaterialData	Deprecated. all usage of MaterialData is deprecated and subject to removal.
MemoryConfiguration	This is a Configuration implementation that does not save or load from any source, and stores all values in memory only.
MemoryConfigurationOptions	Various settings for controlling the input and output of a MemoryConfiguration
MemoryKey<T>	Represents a key used for accessing memory values of a LivingEntity.
MemorySection	A type of ConfigurationSection that is stored in memory.
Merchant	Represents a merchant.
MerchantInventory	Represents a trading inventory between a player and a merchant.
MerchantRecipe	Represents a merchant's trade.
MessagePrompt	MessagePrompt is the base class for any prompt that only displays a message to the user and requires no input.
MessageTooLargeException	Thrown if a Plugin Message is sent that is too large to be sent.
Messenger	A class responsible for managing the registrations of plugin channels and their listeners.
Metadatable	This interface is implemented by all objects that can provide metadata about themselves.
MetadataConversionException	A MetadataConversionException is thrown any time a LazyMetadataValue attempts to convert a metadata value to an inappropriate data type.
MetadataEvaluationException	A MetadataEvaluationException is thrown any time a LazyMetadataValue fails to evaluate its value due to an exception.
MetadataStore<T>
MetadataStoreBase<T>
MetadataValue
MetadataValueAdapter	Optional base class for facilitating MetadataValue implementations.
Minecart	Represents a minecart entity.
MinecraftFont	Represents the built-in Minecraft font.
Mirror	Represents how a Structure can be mirrored upon being loaded.
Mob	Represents a Mob.
MoistureChangeEvent	Called when the moisture level of a soil block changes.
Monster	Represents a Monster.
MonsterEggs	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Mule	Represents a Mule - variant of ChestedHorse.
MultipleCommandAlias	Represents a command that delegates to one or more other commands
MultipleFacing	This class encompasses the 'north', 'east', 'south', 'west', 'up', 'down' boolean flags which are used to set which faces of the block textures are displayed on.
Mushroom	Deprecated. all usage of MaterialData is deprecated and subject to removal.
MushroomBlockTexture	Represents the different textured blocks of mushroom.
MushroomCow	Represents a mushroom Cow
MushroomCow.Variant	Represents the variant of a cow - ie its color.
Nameable
NamespacedKey	Represents a String based key which consists of two components - a namespace and a key.
NameTagVisibility	Deprecated. replaced by Team.OptionStatus
NetherWarts	Deprecated. all usage of MaterialData is deprecated and subject to removal.
NetherWartsState
NoiseGenerator	Base class for all noise generators
Note	A note class to store a specific note.
Note.Tone	An enum holding tones.
NoteBlock	'instrument' is the type of sound made when this note block is activated.
NotePlayEvent	Called when a note block is being played through player interaction or a redstone current.
NPC	Represents a non-player character
NullConversationPrefix	NullConversationPrefix is a ConversationPrefix implementation that displays nothing in front of conversation output.
NumberConversions	Utils for casting number types to other number types
NumericPrompt	NumericPrompt is the base class for any prompt that requires a Number response from the user.
Objective	An objective on a scoreboard that can show scores specific to entries.
Observer
Observer	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Ocelot	A wild tameable cat
Ocelot.Type	Deprecated. Cats are now a separate entity.
OctaveGenerator	Creates noise using unbiased octaves
OfflinePlayer
Openable	'open' denotes whether this door-like block is currently opened.
Openable
Orientable	'axis' represents the axis along whilst this block is oriented.
Painting	Represents a Painting.
Panda	Panda entity.
Panda.Gene
Parrot	Represents a Parrot.
Parrot.Variant	Represents the variant of a parrot - ie its color.
Particle
Particle.DustOptions	Options which can be applied to redstone dust particles - a particle color and size.
Pattern
PatternType
PerlinNoiseGenerator	Generates noise using the "classic" perlin generator
PerlinOctaveGenerator	Creates perlin noise through unbiased octaves
Permissible	Represents an object that may be assigned permissions
PermissibleBase	Base Permissible for use in any Permissible object via proxy or extension
Permission	Represents a unique permission that may be attached to a Permissible
PermissionAttachment	Holds information about a permission attachment on a Permissible object
PermissionAttachmentInfo	Holds information on a permission and which PermissionAttachment provides it
PermissionDefault	Represents the possible default values for permissions
PermissionRemovedExecutor	Represents a class which is to be notified when a PermissionAttachment is removed from a Permissible
PersistentDataAdapterContext	This interface represents the context in which the PersistentDataType can serialize and deserialize the passed values.
PersistentDataContainer	This interface represents a map like object, capable of storing custom tags in it.
PersistentDataHolder	The PersistentDataHolder interface defines an object that can store custom persistent meta data on it.
PersistentDataType<T,Z>	This class represents an enum with a generic content type.
PersistentDataType.PrimitivePersistentDataType<T>	A default implementation that simply exists to pass on the retrieved or inserted value to the next layer.
Phantom	Represents a phantom.
Pig	Represents a Pig.
Piglin	Represents a Piglin.
PiglinAbstract	Piglin / Piglin Brute.
PiglinBrute	Represents a Piglin Brute.
PigZapEvent	Stores data for pigs being zapped
PigZombie	Represents a Pig Zombie.
PigZombieAngerEvent	Called when a Pig Zombie is angered by another entity.
Pillager	Illager entity.
Piston	'extended' denotes whether the piston head is currently extended or not.
PistonBaseMaterial	Deprecated. all usage of MaterialData is deprecated and subject to removal.
PistonExtensionMaterial	Deprecated. all usage of MaterialData is deprecated and subject to removal.
PistonHead	'short' denotes this piston head is shorter than the usual amount because it is currently retracting.
PistonMoveReaction	Represents how a block or entity will react when interacting with a piston when it is extending or retracting.
Player	Represents a player, connected or not
Player.Spigot
PlayerAdvancementDoneEvent	Called when a player has completed all criteria in an advancement.
PlayerAnimationEvent	Represents a player animation event
PlayerAnimationType	Different types of player animations
PlayerArmorStandManipulateEvent	Called when a player interacts with an armor stand and will either swap, retrieve or place an item.
PlayerBedEnterEvent	This event is fired when the player is almost about to enter the bed.
PlayerBedEnterEvent.BedEnterResult	Represents the default possible outcomes of this event.
PlayerBedLeaveEvent	This event is fired when the player is leaving a bed.
PlayerBucketEmptyEvent	Called when a player empties a bucket
PlayerBucketEvent	Called when a player interacts with a Bucket
PlayerBucketFillEvent	Called when a player fills a bucket
PlayerChangedMainHandEvent	Called when a player changes their main hand in the client settings.
PlayerChangedWorldEvent	Called when a player switches to another world.
PlayerChannelEvent	This event is called after a player registers or unregisters a new plugin channel.
PlayerChatEvent	Deprecated. This event will fire from the main thread and allows the use of all of the Bukkit API, unlike the AsyncPlayerChatEvent.
PlayerChatTabCompleteEvent	Deprecated. This event is no longer fired due to client changes
PlayerCommandPreprocessEvent	This event is called whenever a player runs a command (by placing a slash at the start of their message).
PlayerCommandSendEvent	This event is called when the list of available server commands is sent to the player.
PlayerDeathEvent	Thrown whenever a Player dies
PlayerDropItemEvent	Thrown when a player drops an item from their inventory
PlayerEditBookEvent	Called when a player edits or signs a book and quill item.
PlayerEggThrowEvent	Called when a player throws an egg and it might hatch
PlayerEvent	Represents a player related event
PlayerExpChangeEvent	Called when a players experience changes naturally
PlayerFishEvent	Thrown when a player is fishing
PlayerFishEvent.State	An enum to specify the state of the fishing
PlayerGameModeChangeEvent	Called when the GameMode of the player is changed.
PlayerHarvestBlockEvent	This event is called whenever a player harvests a block.
PlayerInteractAtEntityEvent	Represents an event that is called when a player right clicks an entity that also contains the location where the entity was clicked.
PlayerInteractEntityEvent	Represents an event that is called when a player right clicks an entity.
PlayerInteractEvent	Represents an event that is called when a player interacts with an object or air, potentially fired once for each hand.
PlayerInventory	Interface to the inventory of a Player, including the four armor slots and any extra slots.
PlayerItemBreakEvent	Fired when a player's item breaks (such as a shovel or flint and steel).
PlayerItemConsumeEvent	This event will fire when a player is finishing consuming an item (food, potion, milk bucket).
PlayerItemDamageEvent	Called when an item used by the player takes durability damage as a result of being used.
PlayerItemHeldEvent	Fired when a player changes their currently held item
PlayerItemMendEvent	Represents when a player has an item repaired via the Mending enchantment.
PlayerJoinEvent	Called when a player joins a server
PlayerKickEvent	Called when a player gets kicked from the server
PlayerLeashEntityEvent	Called immediately prior to a creature being leashed by a player.
PlayerLevelChangeEvent	Called when a players level changes
PlayerLocaleChangeEvent	Called when a player changes their locale in the client settings.
PlayerLoginEvent	Stores details for players attempting to log in.
PlayerLoginEvent.Result	Basic kick reasons for communicating to plugins
PlayerMoveEvent	Holds information for player movement events
PlayerNamePrompt	PlayerNamePrompt is the base class for any prompt that requires the player to enter another player's name.
PlayerPickupArrowEvent	Thrown when a player picks up an arrow from the ground.
PlayerPickupItemEvent	Deprecated. EntityPickupItemEvent
PlayerPortalEvent	Called when a player is about to teleport because it is in contact with a portal.
PlayerPreLoginEvent	Deprecated. This event causes synchronization from the login thread; AsyncPlayerPreLoginEvent is preferred to keep the secondary threads asynchronous.
PlayerPreLoginEvent.Result	Basic kick reasons for communicating to plugins
PlayerQuitEvent	Called when a player leaves a server
PlayerRecipeDiscoverEvent	Called when a player discovers a new recipe in the recipe book.
PlayerRegisterChannelEvent	This is called immediately after a player registers for a plugin channel.
PlayerResourcePackStatusEvent	Called when a player takes action on a resource pack request sent via Player.setResourcePack(java.lang.String).
PlayerResourcePackStatusEvent.Status	Status of the resource pack.
PlayerRespawnEvent	Called when a player respawns.
PlayerRiptideEvent	This event is fired when the player activates the riptide enchantment, using their trident to propel them through the air.
PlayerShearEntityEvent	Called when a player shears an entity
PlayerSpawnLocationEvent	Called when player is about to spawn in a world after joining the server.
PlayerStatisticIncrementEvent	Called when a player statistic is incremented.
PlayerSwapHandItemsEvent	Called when a player swap items between main hand and off hand using the hotkey.
PlayerTakeLecternBookEvent	This event is called when a player clicks the button to take a book of a Lectern.
PlayerTeleportEvent	Holds information for player teleport events
PlayerTeleportEvent.TeleportCause
PlayerToggleFlightEvent	Called when a player toggles their flying state
PlayerToggleSneakEvent	Called when a player toggles their sneaking state
PlayerToggleSprintEvent	Called when a player toggles their sprinting state
PlayerUnleashEntityEvent	Called prior to an entity being unleashed due to a player's action.
PlayerUnregisterChannelEvent	This is called immediately after a player unregisters for a plugin channel.
PlayerVelocityEvent	Called when the velocity of a player changes.
Plugin	Represents a Plugin
PluginAwareness	Represents a concept that a plugin is aware of.
PluginAwareness.Flags	Each entry here represents a particular plugin's awareness.
PluginBase	Represents a base Plugin
PluginChannelDirection	Represents the different directions a plugin channel may go.
PluginCommand	Represents a Command belonging to a plugin
PluginCommandYamlParser
PluginDescriptionFile	This type is the runtime-container for the information in the plugin.yml.
PluginDisableEvent	Called when a plugin is disabled.
PluginEnableEvent	Called when a plugin is enabled.
PluginEvent	Used for plugin enable and disable events
PluginIdentifiableCommand	This interface is used by the help system to group commands into sub-indexes based on the Plugin they are a part of.
PluginLoader	Represents a plugin loader, which handles direct access to specific types of plugins
PluginLoadOrder	Represents the order in which a plugin should be initialized and enabled
PluginLogger	The PluginLogger class is a modified Logger that prepends all logging calls with the name of the plugin doing the logging.
PluginManager	Handles all plugin management from the Server
PluginMessageListener	A listener for a specific Plugin Channel, which will receive notifications of messages sent from a client.
PluginMessageListenerRegistration	Contains information about a Plugins registration to a plugin channel.
PluginMessageRecipient	Represents a possible recipient for a Plugin Message.
PluginNameConversationPrefix	PluginNameConversationPrefix is a ConversationPrefix implementation that displays the plugin name in front of conversation output.
PluginsCommand
PolarBear	Represents a polar bear.
PortalCreateEvent	Called when a portal is created
PortalCreateEvent.CreateReason	An enum to specify the various reasons for a portal's creation
PortalType	Represents various types of portals that can be made in a world.
Pose	Represents an entity body pose.
Potion	Deprecated.
PotionBrewer	Represents a brewer that can create PotionEffects.
PotionData
PotionEffect	Represents a potion effect, that can be added to a LivingEntity.
PotionEffectType	Represents a type of potion and its effect on an entity.
PotionEffectTypeWrapper
PotionMeta	Represents a potion or item that can have custom effects.
PotionSplashEvent	Called when a splash potion hits an area
PotionType	This enum reflects and matches each potion state that can be obtained from the Creative mode inventory
Powerable	'powered' indicates whether this block is in the powered state or not, i.e.
PoweredMinecart	Represents a powered minecart.
PoweredRail	Deprecated. all usage of MaterialData is deprecated and subject to removal.
PrepareAnvilEvent	Called when an item is put in a slot for repair by an anvil.
PrepareItemCraftEvent
PrepareItemEnchantEvent	Called when an ItemStack is inserted in an enchantment table - can be called multiple times
PrepareSmithingEvent	Called when an item is put in a slot for upgrade by a Smithing Table.
PressurePlate	Deprecated. all usage of MaterialData is deprecated and subject to removal.
PressureSensor
Projectile	Represents a shootable entity.
ProjectileHitEvent	Called when a projectile hits an object
ProjectileLaunchEvent	Called when a projectile is launched.
ProjectileSource	Represents a valid source of a projectile.
Prompt	A Prompt is the main constituent of a Conversation.
ProxiedCommandSender
PufferFish	Represents a puffer fish.
Pumpkin	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Rabbit
Rabbit.Type	Represents the various types a Rabbit might be.
Raid	Represents a raid event.
Raid.RaidStatus	Represents the status of a Raid.
Raider
RaidEvent	Represents events related to raids.
RaidFinishEvent	This event is called when a Raid was complete with a clear result.
RaidSpawnWaveEvent	Called when a raid wave spawns.
RaidStopEvent	Called when a Raid is stopped.
RaidStopEvent.Reason
RaidTriggerEvent	Called when a Raid is triggered (e.g: a player with Bad Omen effect enters a village).
Rail	'shape' represents the current layout of a minecart rail.
Rail.Shape	The different types of shapes a rail block can occupy.
Rails	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Ravager	Illager beast.
RayTraceResult	The hit result of a ray trace.
Recipe	Represents some type of crafting recipe.
RecipeChoice	Represents a potential item match within a recipe.
RecipeChoice.ExactChoice	Deprecated. draft API
RecipeChoice.MaterialChoice	Represents a choice of multiple matching Materials.
Redstone	Indicated a Material that may carry or create a Redstone current
RedstoneRail	A type of minecart rail which interacts with redstone in one way or another.
RedstoneTorch	Deprecated. all usage of MaterialData is deprecated and subject to removal.
RedstoneWallTorch
RedstoneWire	'north', 'east', 'south', 'west' represent the types of connections this redstone wire has to adjacent blocks.
RedstoneWire	Deprecated. all usage of MaterialData is deprecated and subject to removal.
RedstoneWire.Connection	The way in which a redstone wire can connect to an adjacent block face.
RegexPrompt	RegexPrompt is the base class for any prompt that requires an input validated by a regular expression.
RegisteredListener	Stores relevant information for plugin listeners
RegisteredServiceProvider<T>	A registered service provider.
Registry<T extends Keyed>	Represents a registry of Bukkit objects that may be retrieved by NamespacedKey.
Registry.SimpleRegistry<T extends Enum<T> & Keyed>
ReloadCommand
RemoteConsoleCommandSender
RemoteServerCommandEvent	This event is called when a command is received over RCON.
RenderType	Controls the way in which an Objective is rendered client side.
Repairable	Represents an item that can be repaired at an anvil.
Repeater	'delay' is the propagation delay of a repeater, i.e.
ReservedChannelException	Thrown if a plugin attempts to register for a reserved channel (such as "REGISTER")
RespawnAnchor	'charges' represents the amount of times the anchor may still be used.
RideableMinecart	Represents a minecart that can have certain entities as passengers.
Rotatable	'rotation' represents the current rotation of this block.
Rotation	An enum to specify a rotation based orientation, like that on a clock.
Salmon	Represents a salmon fish.
Sandstone	Deprecated. all usage of MaterialData is deprecated and subject to removal.
SandstoneType	Represents the three different types of Sandstone
Sapling	'stage' represents the growth stage of a sapling.
Sapling	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Scaffolding	'bottom' indicates whether the scaffolding is floating or not.
Score	A score entry for an entry on an objective.
Scoreboard	A scoreboard
ScoreboardManager	Manager of Scoreboards
SeaPickle	'pickles' indicates the number of pickles in this block.
SerializableAs	Represents an "alias" that a ConfigurationSerializable may be stored as.
Server	Represents a server implementation.
Server.Spigot
ServerCommandEvent	This event is called when a command is run by a non-player.
ServerEvent	Miscellaneous server events
ServerListPingEvent	Called when a server list ping is coming in.
ServerLoadEvent	This event is called when either the server startup or reload has completed.
ServerLoadEvent.LoadType	Represents the context in which the enclosing event has been completed.
ServerOperator	Represents an object that may become a server operator, such as a Player
ServiceEvent	An event relating to a registered service.
ServicePriority	Represents various priorities of a provider.
ServiceRegisterEvent	This event is called when a service is registered.
ServicesManager	Manages services and service providers.
ServiceUnregisterEvent	This event is called when a service is unregistered.
ShapedRecipe	Represents a shaped (ie normal) crafting recipe.
ShapelessRecipe	Represents a shapeless recipe, where the arrangement of the ingredients on the crafting grid does not matter.
Sheep	Represents a Sheep.
SheepDyeWoolEvent	Called when a sheep's wool is dyed
SheepRegrowWoolEvent	Called when a sheep regrows its wool
Shulker
ShulkerBox	Represents a captured state of a ShulkerBox.
ShulkerBullet
Sign
Sign	Represents a captured state of either a SignPost or a WallSign.
Sign	Deprecated. all usage of MaterialData is deprecated and subject to removal.
SignChangeEvent	Called when a sign is changed by a player.
Silverfish	Represents a Silverfish.
SimpleAttachableMaterialData	Deprecated. all usage of MaterialData is deprecated and subject to removal.
SimpleCommandMap
SimplePluginManager	Handles all plugin management from the Server
SimpleServicesManager	A simple services manager.
SimplexNoiseGenerator	Generates simplex-based noise.
SimplexOctaveGenerator	Creates simplex noise through unbiased octaves
Sittable	An animal that can sit still.
SizedFireball	Represents a sized fireball.
Skeleton	Represents a Skeleton.
Skeleton.SkeletonType	Deprecated.
SkeletonHorse	Represents a SkeletonHorse - variant of AbstractHorse.
Skull	Represents a captured state of a skull block.
Skull	Deprecated. all usage of MaterialData is deprecated and subject to removal.
SkullMeta	Represents a skull that can have an owner.
SkullType	Deprecated. check Material instead
Slab	'type' represents what state the slab is in - either top, bottom, or a double slab occupying the full block.
Slab.Type	The type of the slab.
Slime	Represents a Slime.
SlimeSplitEvent	Called when a Slime splits into smaller Slimes upon death
SmallFireball	Represents a small Fireball
SmithingInventory	Interface to the inventory of a Smithing table.
SmithingRecipe	Represents a smithing recipe.
Smoker	Represents a captured state of a smoker.
SmokingRecipe	Represents a campfire recipe.
SmoothBrick	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Snow	'layers' represents the amount of layers of snow which are present in this block.
Snowable	'snowy' denotes whether this block has a snow covered side and top texture (normally because the block above is snow).
Snowball	Represents a snowball.
Snowman	Represents a snowman entity
Sound	An Enum of Sounds the server is able to send to players.
SoundCategory	An Enum of categories for sounds.
SpawnChangeEvent	An event that is called when a world's spawn changes.
SpawnEgg	Deprecated. use SpawnEggMeta
SpawnEggMeta	Represents a spawn egg and it's spawned type.
SpawnerMinecart	Represents a Minecart with an entity spawner inside it.
SpawnerSpawnEvent	Called when an entity is spawned into a world by a spawner.
SpectralArrow	Represents a spectral arrow.
Spellcaster	Represents a spell casting "Illager".
Spellcaster.Spell	Represents the current spell the entity is using.
Spider	Represents a Spider.
SplashPotion	Deprecated. splash status depends on only on the potion item.
SpongeAbsorbEvent	Called when a sponge absorbs water from the world.
Squid	Represents a Squid.
Stairs	'shape' represents the texture and bounding box shape of these stairs.
Stairs	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Stairs.Shape	The shape of a stair block - used for constructing corners.
StandardMessenger	Standard implementation to Messenger
Statistic	Represents a countable statistic, which is tracked by the server.
Statistic.Type	The type of statistic.
Steerable	Represents an entity which may be saddled, ridden and steered using an item.
Step	Deprecated. all usage of MaterialData is deprecated and subject to removal.
StonecutterInventory	Interface to the inventory of a Stonecutter.
StonecuttingRecipe	Represents a Stonecutting recipe.
StorageMinecart	Represents a minecart with a chest.
Stray	Represents a Stray - variant of Skeleton.
Strider	Represents a Strider.
StriderTemperatureChangeEvent	Called when a Strider's temperature has changed as a result of entering or existing blocks it considers warm.
StringPrompt	StringPrompt is the base class for any prompt that accepts an arbitrary string from the user.
StringUtil
Structure	Represents a structure block that can save and load blocks from a file.
StructureBlock	'mode' represents the different modes in which this structure block may operate.
StructureBlock.Mode	Operating mode of a structure block.
StructureGrowEvent	Event that is called when an organic structure attempts to grow (Sapling -> Tree), (Mushroom -> Huge Mushroom), naturally or using bonemeal.
StructureRotation	Represents how a Structure can be rotated.
StructureType	This class handles the creation and storage of all structure types for Bukkit.
SuspiciousStewMeta	Represents a suspicious stew that can have custom effects.
Switch
Switch.Face	Deprecated. use FaceAttachable.AttachedFace
TabCompleteEvent	Called when a CommandSender of any description (ie: player or console) attempts to tab complete.
TabCompleter	Represents a class which can suggest tab completions for commands.
TabExecutor	This class is provided as a convenience to implement both TabCompleter and CommandExecutor.
Tag<T extends Keyed>	Represents a tag that may be defined by the server or a resource pack to group like things together.
Tameable
Team	A team on a scoreboard that has a common display theme and other properties.
Team.Option	Represents an option which may be applied to this team.
Team.OptionStatus	How an option may be applied to members of this team.
TechnicalPiston	'type' represents the type of piston which this (technical) block corresponds to.
TechnicalPiston.Type	Different piston variants.
TexturedMaterial	Deprecated. all usage of MaterialData is deprecated and subject to removal.
ThrowableProjectile
ThrownExpBottle	Represents a thrown Experience bottle.
ThrownPotion	Represents a thrown potion bottle
ThunderChangeEvent	Stores data for thunder state changing in a world
TileState	Represents a block state that also hosts a tile entity at the given location.
TimedRegisteredListener	Extends RegisteredListener to include timing information
TimeSkipEvent	Called when the time skips in a world.
TimeSkipEvent.SkipReason	An enum specifying the reason the time skipped.
TimingsCommand
TippedArrow	Deprecated. tipped status depends only on base potion type not being UNCRAFTABLE and effects being empty.
TNT	'unstable' indicates whether this TNT will explode on punching.
TNTPrimed	Represents a Primed TNT.
Torch	Deprecated. all usage of MaterialData is deprecated and subject to removal.
TraderLlama	Represents a trader Llama.
TradeSelectEvent	This event is called whenever a player clicks a new trade on the trades sidebar.
TrapDoor
TrapDoor	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Tree	Deprecated. all usage of MaterialData is deprecated and subject to removal.
TreeSpecies	Represents the different species of trees regardless of size.
TreeType	Tree and organic structure types.
Trident	Represents a thrown trident.
Tripwire	'disarmed' denotes that the tripwire was broken with shears and will not subsequently produce a current when destroyed.
Tripwire	Deprecated. all usage of MaterialData is deprecated and subject to removal.
TripwireHook
TripwireHook	Deprecated. all usage of MaterialData is deprecated and subject to removal.
TropicalFish	Tropical fish.
TropicalFish.Pattern	Enumeration of all different fish patterns.
TropicalFishBucketMeta	Represents a bucket of tropical fish.
Turtle	Represents a turtle.
TurtleEgg	'hatch' is the number of turtles which may hatch from these eggs.
UndefinedNullability	Deprecated. This should generally not be used in any new API code as it suggests a bad API design.
UnknownDependencyException	Thrown when attempting to load an invalid Plugin file
UnsafeValues	Deprecated.
UsageMode	Represents how a Structure can be used.
Utility	This annotation indicates a method (and sometimes constructor) will chain its internal operations.
ValidatingPrompt	ValidatingPrompt is the base class for any prompt that requires validation.
Vector	Represents a mutable vector.
Vehicle	Represents a vehicle entity.
VehicleBlockCollisionEvent	Raised when a vehicle collides with a block.
VehicleCollisionEvent	Raised when a vehicle collides.
VehicleCreateEvent	Raised when a vehicle is created.
VehicleDamageEvent	Raised when a vehicle receives damage.
VehicleDestroyEvent	Raised when a vehicle is destroyed, which could be caused by either a player or the environment.
VehicleEnterEvent	Raised when an entity enters a vehicle.
VehicleEntityCollisionEvent	Raised when a vehicle collides with an entity.
VehicleEvent	Represents a vehicle-related event.
VehicleExitEvent	Raised when a living entity exits a vehicle.
VehicleMoveEvent	Raised when a vehicle moves.
VehicleUpdateEvent	Called when a vehicle updates
VersionCommand
Vex	Represents a Vex.
Villager	Represents a villager NPC
Villager.Profession	Represents the various different Villager professions there may be.
Villager.Type	Represents Villager type, usually corresponding to what biome they spawn in.
VillagerAcquireTradeEvent	Called whenever a villager acquires a new trade.
VillagerCareerChangeEvent
VillagerCareerChangeEvent.ChangeReason	Reasons for the villager's profession changing.
VillagerReplenishTradeEvent	Called when a villager's trade's maximum uses is increased, due to a player's trade.
Vindicator	Represents a Vindicator.
Vine	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Wall	This class encompasses the 'north', 'east', 'south', 'west', height flags which are used to set the height of a wall.
Wall.Height	The different heights a face of a wall may have.
WallSign
WanderingTrader	Represents a wandering trader NPC
Warning	This designates the warning state for a specific item.
Warning.WarningState	This represents the states that server verbose for warnings may be.
Waterlogged	'waterlogged' denotes whether this block has fluid in it.
WaterMob	Represents a Water Mob
WeatherChangeEvent	Stores data for weather changing in a world
WeatherEvent	Represents a Weather-related event
WeatherType	An enum of all current weather types
Witch	Represents a Witch
Wither	Represents a Wither boss
WitherSkeleton	Represents a WitherSkeleton - variant of Skeleton.
WitherSkull	Represents a wither skull Fireball.
Wolf	Represents a Wolf
Wood	Deprecated. all usage of MaterialData is deprecated and subject to removal.
WoodenStep	Deprecated. all usage of MaterialData is deprecated and subject to removal.
Wool	Deprecated. all usage of MaterialData is deprecated and subject to removal.
World	Represents a world, which may contain entities, chunks and blocks
World.Environment	Represents various map environment types that a world may be
World.Spigot
WorldBorder
WorldCreator	Represents various types of options that may be used to create a world.
WorldEvent	Represents events within a world
WorldInitEvent	Called when a World is initializing
WorldLoadEvent	Called when a World is loaded
WorldSaveEvent	Called when a World is saved.
WorldType	Represents various types of worlds that may exist
WorldUnloadEvent	Called when a World is unloaded
YamlConfiguration	An implementation of Configuration which saves all files in Yaml.
YamlConfigurationOptions	Various settings for controlling the input and output of a YamlConfiguration
YamlConstructor
YamlRepresenter
Zoglin	Represents a Zoglin.
Zombie	Represents a Zombie.
ZombieHorse	Represents a ZombieHorse - variant of AbstractHorse.
ZombieVillager	Represents a Zombie which was once a Villager.