# Functions
GIDNotFound returns a NotFoundError for a missing group searched by GID.
GroupNameNotFound returns a NotFoundError for a missing group searched by name.
UIDNotFound returns a NotFoundError for a missing user searched by UID.
UsernameNotFound returns a NotFoundError for a missing user searched by name.
# Structs
A Group is a Linux group.
A NotFoundError reports that the user or group that was searched for does not exist.
A User is a Linux user account.
# Interfaces
An AccountProvider provides information about users and groups.