- u -

• Unregister() : MiniDumpWriter , SleepResolutionBooster
• Unstable() : Block::TNT
• Up() : Block::AndesiteWall , Block::BlackstoneWall , Block::BrickWall , Block::BrownMushroomBlock , Block::ChorusPlant , Block::CobblestoneWall , Block::DioriteWall , Block::EndStoneBrickWall , Block::Fire , Block::GraniteWall , Block::MossyCobblestoneWall , Block::MossyStoneBrickWall , Block::MushroomStem , Block::NetherBrickWall , Block::PolishedBlackstoneBrickWall , Block::PolishedBlackstoneWall , Block::PrismarineWall , Block::RedMushroomBlock , Block::RedNetherBrickWall , Block::RedSandstoneWall , Block::SandstoneWall , Block::StoneBrickWall , Block::Vine
• Update() : CommandBlockHandler , DaylightSensorHandler , DoorHandler , DropSpenserHandler , HopperHandler , NoteBlockHandler , ObserverHandler , PistonHandler , PoweredRailHandler , PressurePlateHandler , RedstoneBlockHandler , RedstoneComparatorHandler , RedstoneHandler , RedstoneLampHandler , RedstoneRepeaterHandler , RedstoneToggleHandler , RedstoneTorchHandler , RedstoneWireHandler , SmallGateHandler , TNTHandler , TrappedChestHandler , TripwireHookHandler
• UrlClientOptions() : MojangTrustedRootCAs