Data type: `String`
-Specifies a keyserver to provide the GPG key. Valid options: a string containing a domain name or a full URL (http://, https://, or
-hkp://).
+Specifies a keyserver to provide the GPG key. Valid options: a string containing a domain name or a full URL (http://, https://,
+hkp:// or hkps://). The hkps:// protocol is currently only supported on Ubuntu 18.04.
Default value: $apt::params::keyserver
##### `ensure`
-Data type: `Enum['present', 'absent']`
+Data type: `Enum['present', 'absent', 'refreshed']`
-Specifies whether the key should exist. Valid options: 'present' and 'absent'.
+Specifies whether the key should exist. Valid options: 'present', 'absent' or 'refreshed'. Using 'refreshed' will make keys auto
+update when they have expired (assuming a new key exists on the key server).
Default value: present
##### `server`
-Data type: `Pattern[/\A((hkp|http|https):\/\/)?([a-z\d])([a-z\d-]{0,61}\.)+[a-z\d]+(:\d{2,5})?$/]`
+Data type: `Pattern[/\A((hkp|hkps|http|https):\/\/)?([a-z\d])([a-z\d-]{0,61}\.)+[a-z\d]+(:\d{2,5})?$/]`
-Specifies a keyserver to provide the GPG key. Valid options: a string containing a domain name or a full URL (http://, https://, or
-hkp://).
+Specifies a keyserver to provide the GPG key. Valid options: a string containing a domain name or a full URL (http://, https://,
+hkp:// or hkps://). The hkps:// protocol is currently only supported on Ubuntu 18.04.
Default value: $::apt::keyserver