ContainerEventType is the event type that containers generate.

DaemonEventType is the event type that daemon generate.

ImageEventType is the event type that images generate.

NetworkEventType is the event type that networks generate.

PluginEventType is the event type that plugins generate.

VolumeEventType is the event type that volumes generate.

Actor describes something that generates events, like a container, or a network, or a volume.

Message represents the information an event contains.