Uses of Package
org.bukkit.attribute

Packages that use org.bukkit.attribute 
Package Description
org.bukkit
The root package of the Bukkit API, contains generalized API classes.
org.bukkit.attribute
Classes relevant to attributes.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.inventory.meta
The interfaces used when manipulating extra data can can be stored inside item stacks.