protocol SomeProtocol { func test() } func test1_1(value: SomeProtocol) {} func test1_2(value: any SomeProtocol) {} func test2_1(value: some SomeProtocol) {} func test2_2<Value: SomeProtocol>(value: Value) {} class A { func test2_2<Value: SomeProtocol>(value: Value) { } } class B: SomeProtocol { func test() {} } class C: B {} A().test2_2(value: B())