net.minecraft.world

Class
ChunkRegion
ChunkSerializer
ChunkTickScheduler
ChunkUpdateState
CommandBlockExecutor
FeatureUpdater
ForcedChunkState
GameRules
GameRules$BooleanRule
GameRules$IntRule
GameRules$Rule
GameRules$RuleKey
GameRules$RuleType
Heightmap
IdCountsState
LocalDifficulty
MobSpawnerEntry
MobSpawnerLogic
MultiTickScheduler
PersistentState
PersistentStateManager
PortalForcer
RayTraceContext
ScheduledTick
SessionLockException
SpawnHelper
WanderingTraderManager
World
WorldSaveHandler

Interface
BlockRenderView
BlockView
CollisionView
EntityView
GameRules$RuleTypeConsumer
IWorld
ModifiableTestableWorld
ModifiableWorld
PlayerSaveHandler
RayTraceContext$ShapeProvider
StructureHolder
TestableWorld
TickScheduler
WorldView

Enum
Difficulty
EmptyBlockView
GameMode
Heightmap$Purpose
Heightmap$Type
LightType
RayTraceContext$FluidHandling
RayTraceContext$ShapeType
TickPriority