type OptimizelyUserContext struct {  UserID     string                  Attributes map[string]interface{}} // GetOptimizely returns optimizely client instance for Optimizely user contextfunc (o OptimizelyUserContext) GetOptimizely() *OptimizelyClient // GetUserID returns userID for Optimizely user contextfunc (o OptimizelyUserContext) GetUserID() string // GetUserAttributes returns user attributes for Optimizely user contextfunc (o OptimizelyUserContext) GetUserAttributes() map[string]interface{} // SetAttribute sets an attribute for a given key.func (o *OptimizelyUserContext) SetAttribute(key string, value interface{}) // Decide returns a decision result for a given flag key and a user context, which contains// all data required to deliver the flag or experiment.func (o *OptimizelyUserContext) Decide(key string, options []decide.OptimizelyDecideOptions) OptimizelyDecision // DecideAll returns a key-map of decision results for all active flag keys with options.func (o *OptimizelyUserContext) DecideAll(options []decide.OptimizelyDecideOptions) map[string]OptimizelyDecision // DecideForKeys returns a key-map of decision results for multiple flag keys and options.func (o *OptimizelyUserContext) DecideForKeys(keys []string, options []decide.OptimizelyDecideOptions) map[string]OptimizelyDecision // TrackEvent generates a conversion event with the given event key if it exists and queues it up to be sent to the Optimizely// log endpoint for results processing.func (o *OptimizelyUserContext) TrackEvent(eventKey string, eventTags map[string]interface{}) (err error) // OptimizelyDecisionContexttype OptimizelyDecisionContext struct {  FlagKey string  RuleKey string} // OptimizelyForcedDecisiontype OptimizelyForcedDecision struct {  VariationKey string} // SetForcedDecision sets the forced decision (variation key) for a given decision context (flag key and optional rule key).// returns true if the forced decision has been set successfully.func (o *OptimizelyUserContext) SetForcedDecision(context pkgDecision.OptimizelyDecisionContext, decision pkgDecision.OptimizelyForcedDecision) bool // GetForcedDecision returns the forced decision for a given flag and an optional rulefunc (o *OptimizelyUserContext) GetForcedDecision(context pkgDecision.OptimizelyDecisionContext) (pkgDecision.OptimizelyForcedDecision, error) // RemoveForcedDecision removes the forced decision for a given flag and an optional rule.func (o *OptimizelyUserContext) RemoveForcedDecision(context pkgDecision.OptimizelyDecisionContext) bool // RemoveAllForcedDecisions removes all forced decisions bound to this user context.func (o *OptimizelyUserContext) RemoveAllForcedDecisions() bool //// The following methods require Real-Time Audiences for Feature Experimentation. // See note following this code sample. // // GetQualifiedSegments returns an array of segment names that the user is qualified for. // The result of **FetchQualifiedSegments()** is saved here. // Can be nil if not properly updated with FetchQualifiedSegments(). func (o *OptimizelyUserContext) GetQualifiedSegments() []string // SetQualifiedSegments can read and write directly to the qualified segments array. // This lets you bypass the remote fetching process from ODP // or for utilizing your own fetching service.   func (o *OptimizelyUserContext) SetQualifiedSegments(qualifiedSegments []string)      // FetchQualifiedSegments fetches all qualified segments for the user context.// The segments fetched are saved in the **qualifiedSegments** array// and can be accessed any time. func (o *OptimizelyUserContext) FetchQualifiedSegments(options []pkgOdpSegment.OptimizelySegmentOption) (success bool) // FetchQualifiedSegmentsAsync fetches all qualified segments aysnchronously for the user context. // This method fetches segments in a separate go routine and invoke the provided // callback when results are available.func (o *OptimizelyUserContext) FetchQualifiedSegmentsAsync(options []pkgOdpSegment.OptimizelySegmentOption, callback func(success bool)) // IsQualifiedFor returns true if the user is qualified for the given segment namefunc (o *OptimizelyUserContext) IsQualifiedFor(segment string) bool