=== tests/cases/compiler/sourceMapValidationClassWithDefaultConstructorAndExtendsClause.ts ===
class AbstractGreeter {
>AbstractGreeter : AbstractGreeter
}

class Greeter extends AbstractGreeter {
>Greeter : Greeter
>AbstractGreeter : AbstractGreeter

    public a = 10;
>a : number
>10 : number

    public nameA = "Ten";
>nameA : string
>"Ten" : string
}