Uses of Interface
org.bukkit.Keyed

Packages that use Keyed 
Package Description
org.bukkit
The root package of the Bukkit API, contains generalized API classes.
org.bukkit.advancement
Classes relevant to advancements.
org.bukkit.attribute
Classes relevant to attributes.
org.bukkit.block
Classes used to manipulate the voxels in a world, including special states.
org.bukkit.boss
Classes concerning the creation of boss bars that appear at the top of the player's screen.
org.bukkit.enchantments
Classes relating to the specialized enhancements to item stacks, as part of the meta data.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.entity.memory
Classes concerning an entity's persistent memory.
org.bukkit.inventory
Classes involved in manipulating player inventories and item interactions.
org.bukkit.loot
Classes relevant to loot table manipulation and generation.