This inheritance list is sorted roughly, but not completely, alphabetically:

[detail level 12345]

CAttribute
CMinecraft.Server.FourKit.Event.EventHandlerAttribute	Marks a method inside a Listener as an event handler. This class is not named "EventHandler" due to a naming conflict with the existing System.EventHandler
CMinecraft.Server.FourKit.Block.Block	Represents a block. This is a live object, and only one Block may exist for any given location in a world
CMinecraft.Server.FourKit.Event.Cancellable	Interface for events that can be cancelled by a plugin. When cancelled, the server will skip the default action
CMinecraft.Server.FourKit.Event.Block.BlockBreakEvent	Called when a block is broken by a player
CMinecraft.Server.FourKit.Event.Block.BlockPlaceEvent	Called when a block is placed by a player
CMinecraft.Server.FourKit.Event.Block.SignChangeEvent	Called when a sign is changed by a player
CMinecraft.Server.FourKit.Event.Entity.EntityDamageEvent	Stores data for damage events
CMinecraft.Server.FourKit.Event.Entity.EntityDamageByEntityEvent	Called when an entity is damaged by an entity
CMinecraft.Server.FourKit.Event.Inventory.InventoryInteractEvent	An abstract base class for events that describe an interaction between a HumanEntity and the contents of an Inventory
CMinecraft.Server.FourKit.Event.Inventory.InventoryClickEvent	This event is called when a player clicks a slot in an inventory
CMinecraft.Server.FourKit.Event.Inventory.InventoryOpenEvent	Called when a player opens an inventory. Cancelling this event will prevent the inventory screen from showing
CMinecraft.Server.FourKit.Event.Player.PlayerChatEvent	Fired when a player sends a chat message
CMinecraft.Server.FourKit.Event.Player.PlayerDropItemEvent	Fired when a player drops an item from their inventory. If cancelled, the item will not be dropped and the player keeps it. The dropped item can be modified by plugins
CMinecraft.Server.FourKit.Event.Player.PlayerInteractEntityEvent	Represents an event that is called when a player right clicks an entity
CMinecraft.Server.FourKit.Event.Player.PlayerInteractEvent	Called when a player interacts with an object or air
CMinecraft.Server.FourKit.Event.Player.PlayerKickEvent	Fired when a player is kicked from the server. If cancelled, the kick will not take place and the player remains connected. Plugins may modify the kick reason and the leave message broadcast to all online players
CMinecraft.Server.FourKit.Event.Player.PlayerMoveEvent	Fired when a player moves. Plugins may modify the destination or cancel the movement entirely
CMinecraft.Server.FourKit.Event.Player.PlayerTeleportEvent	Holds information for player teleport events
CMinecraft.Server.FourKit.Event.Player.PlayerPortalEvent	Called when a player is about to teleport because it is in contact with a portal
CMinecraft.Server.FourKit.Event.Player.PlayerPickupItemEvent	Thrown when a player picks an item up from the ground. If cancelled the item will not be picked up
CMinecraft.Server.FourKit.Command.Command	Represents a Command, which executes various tasks upon user input
CMinecraft.Server.FourKit.Command.PluginCommand	Represents a Command belonging to a plugin
CMinecraft.Server.FourKit.Command.CommandExecutor	Represents a class which contains a single method for executing commands
CMinecraft.Server.FourKit.Command.CommandSender	Represents something that can send commands and receive messages
CMinecraft.Server.FourKit.Command.ConsoleCommandSender	Represents the server console as a command sender
CMinecraft.Server.FourKit.Entity.Player	Represents a player connected to the server
CMinecraft.Server.FourKit.Entity.Entity	Represents a base entity in the world
CMinecraft.Server.FourKit.Entity.Damageable	Represents an Entity that can take damage and has health
CMinecraft.Server.FourKit.Entity.LivingEntity	Represents a living entity in the world that has health and can take damage
CMinecraft.Server.FourKit.Entity.HumanEntity	Represents a human entity in the world (e.g. a player)
CMinecraft.Server.FourKit.Entity.Player	Represents a player connected to the server
CMinecraft.Server.FourKit.Entity.Item	Represents a dropped item on the ground
CMinecraft.Server.FourKit.Event.Event	Base class for all events dispatched by the server
CMinecraft.Server.FourKit.Event.Block.BlockEvent	Represents a Block-related event
CMinecraft.Server.FourKit.Event.Block.BlockExpEvent	An event that is called when a block yields experience
CMinecraft.Server.FourKit.Event.Block.BlockBreakEvent	Called when a block is broken by a player
CMinecraft.Server.FourKit.Event.Block.BlockPlaceEvent	Called when a block is placed by a player
CMinecraft.Server.FourKit.Event.Block.SignChangeEvent	Called when a sign is changed by a player
CMinecraft.Server.FourKit.Event.Entity.EntityEvent	Represents an Entity-related event
CMinecraft.Server.FourKit.Event.Entity.EntityDamageEvent	Stores data for damage events
CMinecraft.Server.FourKit.Event.Entity.EntityDeathEvent	Thrown whenever a LivingEntity dies
CMinecraft.Server.FourKit.Event.Entity.PlayerDeathEvent	Thrown whenever a Player dies
CMinecraft.Server.FourKit.Event.Inventory.InventoryEvent	Represents a player related inventory event
CMinecraft.Server.FourKit.Event.Inventory.InventoryInteractEvent	An abstract base class for events that describe an interaction between a HumanEntity and the contents of an Inventory
CMinecraft.Server.FourKit.Event.Inventory.InventoryOpenEvent	Called when a player opens an inventory. Cancelling this event will prevent the inventory screen from showing
CMinecraft.Server.FourKit.Event.Player.PlayerEvent	Base class for events related to a FourKit.Player
CMinecraft.Server.FourKit.Event.Player.PlayerChatEvent	Fired when a player sends a chat message
CMinecraft.Server.FourKit.Event.Player.PlayerDropItemEvent	Fired when a player drops an item from their inventory. If cancelled, the item will not be dropped and the player keeps it. The dropped item can be modified by plugins
CMinecraft.Server.FourKit.Event.Player.PlayerInteractEntityEvent	Represents an event that is called when a player right clicks an entity
CMinecraft.Server.FourKit.Event.Player.PlayerInteractEvent	Called when a player interacts with an object or air
CMinecraft.Server.FourKit.Event.Player.PlayerJoinEvent	Called when a player joins a server
CMinecraft.Server.FourKit.Event.Player.PlayerKickEvent	Fired when a player is kicked from the server. If cancelled, the kick will not take place and the player remains connected. Plugins may modify the kick reason and the leave message broadcast to all online players
CMinecraft.Server.FourKit.Event.Player.PlayerMoveEvent	Fired when a player moves. Plugins may modify the destination or cancel the movement entirely
CMinecraft.Server.FourKit.Event.Player.PlayerPickupItemEvent	Thrown when a player picks an item up from the ground. If cancelled the item will not be picked up
CMinecraft.Server.FourKit.Event.Player.PlayerQuitEvent	Fired when a player disconnects from the server. Plugins may read or modify the quit message that is broadcast to all online players
CIEnumerable
CMinecraft.Server.FourKit.Inventory.Inventory	Represents an inventory containing items. Behavior relating to Material.AIR is unspecified
CMinecraft.Server.FourKit.Inventory.BeaconInventory	Represents the inventory of a Beacon. Single slot at index 0
CMinecraft.Server.FourKit.Inventory.DoubleChestInventory	Represents the inventory of a Double Chest. 54 slots total — left side is slots 0–26, right side is slots 27–53
CMinecraft.Server.FourKit.Inventory.EnchantingInventory	Represents the inventory of an Enchanting Table. Single slot at index 0
CMinecraft.Server.FourKit.Inventory.FurnaceInventory	Represents the inventory of a Furnace. Slot layout: 0 = smelting input, 1 = fuel, 2 = result
CMinecraft.Server.FourKit.Inventory.HorseInventory	Represents the inventory of a Horse. Slot layout: 0 = saddle, 1 = armor, 2+ = chest slots
CMinecraft.Server.FourKit.Inventory.PlayerInventory	Represents a player's inventory, including armor slots and the held item
CMinecraft.Server.FourKit.Net.InetAddress	Represents an Internet Protocol (IP) address
CMinecraft.Server.FourKit.Net.InetSocketAddress	Represents an IP Socket Address (IP address + port number)
CMinecraft.Server.FourKit.Inventory.InventoryHolder
CMinecraft.Server.FourKit.Entity.HumanEntity	Represents a human entity in the world (e.g. a player)
CMinecraft.Server.FourKit.Inventory.InventoryView	Represents a view linking two inventories and a single player (whose inventory may or may not be one of the two)
CMinecraft.Server.FourKit.Inventory.ItemStack	Represents a stack of items
CMinecraft.Server.FourKit.Event.Listener	Simple interface for tagging all EventListeners Register instances with FourKit.addListener(Listener)
CMinecraft.Server.FourKit.Location	Represents a 3-dimensional position in a world
CMinecraft.Server.FourKit.Entity.OfflinePlayer	Represents a player identity that may or may not currently be online
CMinecraft.Server.FourKit.Entity.Player	Represents a player connected to the server
CMinecraft.Server.FourKit.Plugin.ServerPlugin	Base class that every plugin must extend
CMinecraft.Server.FourKit.World	Represents a world, which may contain entities, chunks and blocks