PropertyListSerialization.MutabilityOptions These constants specify mutability options in property lists. Declarationstruct MutabilityOptions TopicsConstantsmutableContainersmutableContainersAndLeavesInitializersinit(rawValue:) RelationshipsConforms ToBitwiseCopyableEquatableExpressibleByArrayLiteralOptionSetRawRepresentableSendableSendableMetatypeSetAlgebra See AlsoConstantsPropertyListSerialization.PropertyListFormatPropertyListSerialization.ReadOptions