Uses of Interface
org.bukkit.entity.LivingEntity

Packages that use LivingEntity 
Package Description
org.bukkit
The root package of the Bukkit API, contains generalized API classes.
org.bukkit.block
Classes used to manipulate the voxels in a world, including special states.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.event.block
Events relating to when a block is changed or interacts with the world.
org.bukkit.event.entity
Events relating to entities, excluding some directly referencing some more specific entity types.
org.bukkit.event.vehicle
org.bukkit.potion
Classes to represent various potion properties and manipulation.
org.bukkit.util
Multi and single purpose classes to facilitate various programmatic concepts.