=== tests/cases/compiler/functionSubtypingOfVarArgs2.ts ===
class EventBase {
>EventBase : EventBase

    private _listeners: { (...args: any[]): void; }[] = [];
>_listeners : ((...args: any[]) => void)[]
>args : any[]
>[] : undefined[]

    add(listener: (...args: any[]) => void): void {
>add : (listener: (...args: any[]) => void) => void
>listener : (...args: any[]) => void
>args : any[]

        this._listeners.push(listener);
>this._listeners.push(listener) : number
>this._listeners.push : (...items: ((...args: any[]) => void)[]) => number
>this._listeners : ((...args: any[]) => void)[]
>this : EventBase
>_listeners : ((...args: any[]) => void)[]
>push : (...items: ((...args: any[]) => void)[]) => number
>listener : (...args: any[]) => void
    }
}

class StringEvent extends EventBase {
>StringEvent : StringEvent
>EventBase : EventBase

    add(listener: (items: string, moreitems: number) => void ) {
>add : (listener: (items: string, moreitems: number) => void) => void
>listener : (items: string, moreitems: number) => void
>items : string
>moreitems : number

        super.add(listener);
>super.add(listener) : void
>super.add : (listener: (...args: any[]) => void) => void
>super : EventBase
>add : (listener: (...args: any[]) => void) => void
>listener : (items: string, moreitems: number) => void
    }
}