The device configuration. Eventually delivered to devices.
[Output only] The version of this update. The version number
is assigned by the server, and is always greater than 0
after device creation. The version must be 0 on the
CreateDevice request if a config is specified; the
response of CreateDevice will always have a value of 1.
[Output only] The time at which this configuration version
was updated in Cloud IoT Core. This timestamp is set by the
[Output only] The time at which Cloud IoT Core received the
acknowledgment from the device, indicating that the device
has received this configuration version. If this field is
not present, the device has not yet acknowledged that it
received this version. Note that when the config was sent to
the device, many config versions may have been available in
Cloud IoT Core while the device was disconnected, and on
connection, only the latest version is sent to the device.
Some versions may never be sent to the device, and therefore
are never acknowledged. This timestamp is set by Cloud IoT