readAttributeFeatureMap(completion:)
Declaration
func readAttributeFeatureMap(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeFeatureMap() async throws -> NSNumberfunc readAttributeFeatureMap(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeFeatureMap() async throws -> NSNumber