Uses of Interface
org.bukkit.command.CommandSender

Packages that use CommandSender 
Package Description
org.bukkit
The root package of the Bukkit API, contains generalized API classes.
org.bukkit.command
Classes relating to handling specialized non-chat player input.
org.bukkit.command.defaults
Commands for emulating the Minecraft commands and other necessary ones for use by a Bukkit implementation.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.
org.bukkit.entity.minecart
Interfaces for various Minecart types.
org.bukkit.event.server
Events relating to programmatic state changes on the server.
org.bukkit.help
Classes used to manipulate the default command and topic assistance system.
org.bukkit.plugin.java
Classes for handling plugins written in java.