fallback property
Implementation
String get id; String get version; String get entry; String get contractVersion;@SdkVersionRangeConverter() SdkVersionRange get sdkVersionRange;@CapabilityIdListConverter() List<CapabilityId> get requiredCapabilities;@MiniProgramScreenFormatConverter() MiniProgramScreenFormat get screenFormat; int? get screenSchemaVersion; List<FeatureFlagKey> get featureFlags; MiniProgramCachePolicy get cachePolicy; MiniProgramFallback? get fallback;