NewTargetBuilder constructing TargetBuilder instance.

KeyFeature identifies flag messages from ff server or stream.

KeyFeatures ...

KeySegment identifies segment messages from ff server or stream.

KeySegment identifies segment messages from ff server or stream.

SseCreateEvent identifies a create event from the SSE stream.

SseDeleteEvent identifies a delete event from the SSE stream.

SsePatchEvent identifies a patch event from the SSE stream.

Key holds information for unique data for cache and store.

TargetBuilderInterface used for fluent builder methods.