SetLogger allows other packages to update the logger:.

FHConfig is a FeatureHub config event (client configuration instructions from the server):.

FHDeleteFeature is a FeatureHub SSE event (telling us that a feature has been deleted):.

FHFailure is a FeatureHub SSE event (server-side error):.

FHFeature is a FeauterHub SSE event (an update to a specific feature):.

FHFeatures is a FeauterHub SSE event (an entire feature set):.

SSEAck is a standard SSE event (a positive confirmation):.

SSEBye is a standard SSE event (connection ending):.

SSEError is a standard SSE event (connection error):.

TypeBoolean is a basic boolean:.

TypeFeature is a generic feature:.

TypeJSON is a serialised JSON string:.

TypeNumber is a basic number (float64):.

TypeString is a basic string:.

ConfigEvent defines model for a FeatureHub config event.

Context defines metadata for the client: This is sent to the FeatureHub server, and powers rollout strategy decisions.

FeatureState defines model for FeatureState.

Strategy defines model for Strategy.

StrategyAttribute defines a more complex strategy than simple percentages:.

CallbackFuncBoolean defines signature used for notifier callback functions:.

CallbackFuncFeature defines signature used for notifier callback functions:.

CallbackFuncJSON defines signature used for notifier callback functions:.

CallbackFuncNumber defines signature used for notifier callback functions:.

CallbackFuncString defines signature used for notifier callback functions:.

ContextCountry is the client's country:.

ContextDevice is the client's device type:.

ContextPlatform is the client's platform (OS):.

Event is a type which allows us to define the different SSE-events we can expect from a FeatureHub server:.

FeatureValueType defines model for FeatureValueType.

Strategies so we can attach methods:.