tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesPrivates.ts(5,7): error TS2415: Class 'Derived' incorrectly extends base class 'Base'.
tests/cases/conformance/classes/members/inheritanceAndOverriding/derivedClassOverridesPrivates.ts(13,7): error TS2417: Class static side 'typeof Derived2' incorrectly extends base class static side 'typeof Base2'.