FromLabels converts a collection of selectors from the much richer labels type to selectors.

DefaultNamespace is the default value when no namespace is set.

Resource is a general representation of some kind of resource which a provider might handle (ec2 instance, k8s pod, lambda function).

Selection is the selection result of a select operation which uses target rules to grab a set of resources.

Target is a set of rules for targetting a resource, or collection of resources for performing some experiment operation.

Resources are a collection of Resource items.