Uses of Class
org.bukkit.NamespacedKey

Packages that use NamespacedKey 
Package Description
org.bukkit
The root package of the Bukkit API, contains generalized API classes.
org.bukkit.attribute
Classes relevant to attributes.
org.bukkit.block
Classes used to manipulate the voxels in a world, including special states.
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.event.player
Events relating to players.
org.bukkit.inventory
Classes involved in manipulating player inventories and item interactions.
org.bukkit.inventory.meta
The interfaces used when manipulating extra data can can be stored inside item stacks.
org.bukkit.inventory.meta.tags
Classes that allow attaching custom data to items.
org.bukkit.loot
Classes relevant to loot table manipulation and generation.
org.bukkit.persistence
Classes that allow attaching persistent data to various objects.