Uses of Interface
org.bukkit.conversations.Conversable

Packages that use Conversable 
Package Description
org.bukkit.command
Classes relating to handling specialized non-chat player input.
org.bukkit.conversations
Classes dedicated to facilitate direct player-to-plugin communication.
org.bukkit.entity
Interfaces for non-voxel objects that can exist in a world, including all players, monsters, projectiles, etc.