This is the section in the Next-Best-Action strategy framework where a universal control group can be configured.
The Non-Control result is the entry point to this section and at present does not set any properties.
The Is in Control Group (ControlGroupImpl) sub-strategy is where presence in a control group can be established – this could be using a Segment Filter or some other statistical method, but by default it simply returns false – that is, there is no control group.
The Handle Control Group (InControlGroup) sub-strategy is where any control group processing should be defined, for example by defining properties that can be persisted to Interaction History or setting conditions such that no actions are delivered. By default, the strategy returns an empty page list.