tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(3,17): error TS2304: Cannot find name 'number'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(4,18): error TS2304: Cannot find name 'string'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(5,18): error TS2304: Cannot find name 'boolean'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(6,18): error TS2304: Cannot find name 'Void'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(8,18): error TS2304: Cannot find name 'Null'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(10,18): error TS2304: Cannot find name 'undefined'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(11,18): error TS2304: Cannot find name 'Undefined'.
tests/cases/conformance/classes/classDeclarations/classHeritageSpecification/classExtendingPrimitive.ts(14,18): error TS2311: A class may only extend another class.