-# This module manages the initial configuration of apt.
-#
-# Parameters:
-# The parameters listed here are not required in general and were
-# added for use cases related to development environments.
-#
-# disable_keys - disables the requirement for all packages to be signed
-#
-# always_apt_update - rather apt should be updated on every run (intended
-# for development environments where package updates are frequent)
-#
-# apt_update_frequency - *string* Supported values:
-# **always**: Will fire `apt-get update` at every puppet run. Intended to
-# deprecate the `always_apt_update` parameter.
-# **daily**: Trigger `apt-get update` if the value of the fact
-# `apt_update_last_success` is less than current epoch time - 86400.
-# *notifying the apt_update exec will trigger apt-get update regardless*
-# **weekly**: Trigger `apt-get update` if the value of the fact
-# `apt_update_last_success` is less than current epoch time - 604800.
-# *notifying the apt_update exec will trigger apt-get update regardless*
-# **reluctantly**: *Default* only run apt-get update if the exec resource `apt_update` is notified.
-#
-# purge_sources_list - Accepts true or false. Defaults to false If set to
-# true, Puppet will purge all unmanaged entries from sources.list
-#
-# purge_sources_list_d - Accepts true or false. Defaults to false. If set
-# to true, Puppet will purge all unmanaged entries from sources.list.d
-#
-# update_timeout - Overrides the exec timeout in seconds for apt-get update.
-# If not set defaults to Exec's default (300)
-#
-# update_tries - Number of times that `apt-get update` will be tried. Use this
-# to work around transient DNS and HTTP errors. By default, the command
-# will only be run once.
-#
-# Actions:
-#
-# Requires:
-# puppetlabs/stdlib
-# Sample Usage:
-# class { 'apt': }
-