# Functions
NewController constructs a new peer controller.
NewFactory builds a link hold open factory.
# Constants
ConfigID is the identifier for the config type.
ControllerID is the ID of the controller.
# Variables
Version is the version of the controller implementation.
# Structs
Config is the hold-open controller config.
Controller is the greedy Link hold-open controller.
Factory constructs a Link Hold-Open controller.