class c {
    public Intersects(obj: number): boolean;
    public Intersects(obj: any): boolean {
        return false;
    }
}

declare class c {
    Intersects(obj: number): boolean;
}
declare var x: c;

declare class c {
    Intersects(obj: number): boolean;
    Intersects(obj: any): boolean;
}
declare var x: c;