NewDeviceTree creates an instance of DeviceTree.

NewManager creates a new instance of Manager.

DeviceInfo contains information about device maintained by Device Plugin.

Manager manages life cycle of device plugins and handles the scan results received from them.

Notifier receives updates from Scanner, detects changes and sends the detected changes to a channel given by the creator of a Notifier object.

PostAllocator is an optional interface implemented by device plugins.

Scanner serves as an interface between Manager and a device plugin.

DeviceTree contains a tree-like structure of device type -> device ID -> device info.