feature_provider library

Classes

CachedFeatureProvider: Base provider with caching capabilities
FeatureProvider: Source-compatible provider interface for existing implementations. New implementations can implement Provider and optional capabilities.
FlagEvaluationDetails<T>: Evaluation details containing full context about flag evaluation
FlagEvaluationResult<T>: Result of feature flag evaluation
InMemoryProvider: In-memory provider implementation with caching - FIXED for synchronous default provider
Provider: Minimal provider contract: metadata and five typed resolvers (2.1-2.2). Initialization, shutdown, hooks and tracking are optional capabilities declared in provider_capabilities.dart.
ProviderConfig: Provider configuration
ProviderMetadata: Provider metadata
TrackingEventDetails: Tracking event details for the Tracking API (spec Section 6)