=== tests/cases/compiler/interfaceExtendsClass1.ts ===
class Control {
>Control : Symbol(Control, Decl(interfaceExtendsClass1.ts, 0, 0))

    private state: any;
>state : Symbol(state, Decl(interfaceExtendsClass1.ts, 0, 15))
}
interface SelectableControl extends Control {
>SelectableControl : Symbol(SelectableControl, Decl(interfaceExtendsClass1.ts, 2, 1))
>Control : Symbol(Control, Decl(interfaceExtendsClass1.ts, 0, 0))

    select(): void;
>select : Symbol(select, Decl(interfaceExtendsClass1.ts, 3, 45))
}
class Button extends Control {
>Button : Symbol(Button, Decl(interfaceExtendsClass1.ts, 5, 1))
>Control : Symbol(Control, Decl(interfaceExtendsClass1.ts, 0, 0))

    select() { }
>select : Symbol(select, Decl(interfaceExtendsClass1.ts, 6, 30))
}
class TextBox extends Control {
>TextBox : Symbol(TextBox, Decl(interfaceExtendsClass1.ts, 8, 1))
>Control : Symbol(Control, Decl(interfaceExtendsClass1.ts, 0, 0))

    select() { }
>select : Symbol(select, Decl(interfaceExtendsClass1.ts, 9, 31))
}
class Image extends Control {
>Image : Symbol(Image, Decl(interfaceExtendsClass1.ts, 11, 1))
>Control : Symbol(Control, Decl(interfaceExtendsClass1.ts, 0, 0))
}
class Location {
>Location : Symbol(Location, Decl(interfaceExtendsClass1.ts, 13, 1))

    select() { }
>select : Symbol(select, Decl(interfaceExtendsClass1.ts, 14, 16))
}