Unable to await Delete Method.

await this.configurationService.deleteTrf(this.trfCode);
this.afterStatusChange();

deleteTrf(trfCode : string) {
let url =${this.getTrfApiUrl()}${trfCode};
return this.http.delete(url).pipe(
map((apiResponse) => {
return this.apiResponseHandler.handleApiResponse(apiResponse);
}),
catchError(error =>{
this.loggerService.error(Could not delete Trf Code ${trfCode} , error);
throw new Error(Deletion of Trf ${trfCode} failed);
})
);
}

*Requirement *

1. await this.configurationService.deleteTrf(this.trfCode);

Until the Above line is completed below line should wait (2)

1. this.afterStatusChange();