=== tests/cases/compiler/typeOfPrototype.ts === class Foo { >Foo : Foo bar = 3; >bar : number >3 : number static bar = ''; >bar : string >'' : string } Foo.prototype.bar = undefined; // Should be OK >Foo.prototype.bar = undefined : undefined >Foo.prototype.bar : number >Foo.prototype : Foo >Foo : typeof Foo >prototype : Foo >bar : number >undefined : undefined