public protocol ReaWitnessFixtureProtocol { func fixtureValue() -> Int } public struct ReaWitnessFixture: ReaWitnessFixtureProtocol { public init() {} public func fixtureValue() -> Int { 17 } } @_cdecl("rea_witness_fixture_entry") public func fixtureEntry() -> Int { ReaWitnessFixture().fixtureValue() } public class ReaVtableFixture { public init() {} public func fixtureValue() -> Int { 23 } } public enum ReaDeclFixtureEnum { case first, second(Int) } public struct ReaDeclFixtureOuter { public struct Inner { public init() {} } } public struct ReaDeclFixtureGeneric { public var value: Value public init(_ value: Value) { self.value = value } } public actor ReaDeclFixtureActor { public init() {} }