org.bukkit
Interfaces 
BlockChangeDelegate
Chunk
ChunkSnapshot
OfflinePlayer
Server
TravelAgent
World
Classes 
Bukkit
Color
FireworkEffect
FireworkEffect.Builder
Location
Note
WorldCreator
Enums 
Achievement
Art
ChatColor
CoalType
CropState
Difficulty
DyeColor
Effect
Effect.Type
EntityEffect
FireworkEffect.Type
GameMode
GrassSpecies
Instrument
Material
NetherWartsState
Note.Tone
PortalType
Rotation
SandstoneType
SkullType
Sound
Statistic
TreeSpecies
TreeType
Warning.WarningState
WeatherType
World.Environment
WorldType
Annotation Types 
Utility
Warning