Property ‘this’ does not exist on type ‘{ type: string | null; location: string | null; }’. while Destructuring assignment

In my angular app, i have a function that basically returns an object.

private getTypeAndLocation() {
    const type = sessionStorage.getItem('type');
    const location = sessionStorage.getItem('location');
    return {type, location};
  }

Now I am calling this function from ngOnint like this:

({this.MyObjectVariable.type, this.MyObjectVariable.location} = this.getWorkClearanceTypeAndLocation());

But unfortunately its not working. I am getting this error:
Property 'this' does not exist on type '{ type: string | null; location: string | null; }'.

It could be possible that getTypeAndLocation will return undefined if the type and location are not set.

In that case, how can i do the object Destructuring?