tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts(9,11): error TS2320: Interface 'I3' cannot simultaneously extend types 'Foo' and 'Bar'.
  Named property 'x' of types 'Foo' and 'Bar' are not identical.
tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts(12,11): error TS2430: Interface 'I4' incorrectly extends interface 'Bar'.
  Property 'x' is protected but type 'I4' is not a class derived from 'Bar'.
tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts(12,11): error TS2430: Interface 'I4' incorrectly extends interface 'Foo'.
  Property 'x' is protected but type 'I4' is not a class derived from 'Foo'.
tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts(26,10): error TS2445: Property 'x' is protected and only accessible within class 'Foo' and its subclasses.
tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts(27,10): error TS2445: Property 'y' is protected and only accessible within class 'Baz' and its subclasses.


==== tests/cases/conformance/interfaces/interfacesExtendingClasses/interfaceExtendingClassWithProtecteds2.ts (5 errors) ====
    class Foo {
        protected x: string;
    }
    
    class Bar {
        protected x: string;
    }
    
    interface I3 extends Foo, Bar { // error
              ~~
!!! error TS2320: Interface 'I3' cannot simultaneously extend types 'Foo' and 'Bar'.
!!! error TS2320:   Named property 'x' of types 'Foo' and 'Bar' are not identical.
    }
    
    interface I4 extends Foo, Bar { // error
              ~~
!!! error TS2430: Interface 'I4' incorrectly extends interface 'Bar'.
!!! error TS2430:   Property 'x' is protected but type 'I4' is not a class derived from 'Bar'.
              ~~
!!! error TS2430: Interface 'I4' incorrectly extends interface 'Foo'.
!!! error TS2430:   Property 'x' is protected but type 'I4' is not a class derived from 'Foo'.
        x: string;
    }
    
    class Baz {
        protected y: string;
    }
    
    interface I5 extends Foo, Baz {
        z: string;
    }
    
    var i: I5;
    var r: string = i.z;
    var r2 = i.x; // error
             ~~~
!!! error TS2445: Property 'x' is protected and only accessible within class 'Foo' and its subclasses.
    var r3 = i.y; // error
             ~~~
!!! error TS2445: Property 'y' is protected and only accessible within class 'Baz' and its subclasses.