public Observable<ServiceResponse<SkuInfosInner>> listSkusWithServiceResponseAsync() {
        if (this.subscriptionId() == null) {
            throw new IllegalArgumentException("Parameter this.subscriptionId() is required and cannot be null.");
        }
        if (this.apiVersion() == null) {
            throw new IllegalArgumentException("Parameter this.apiVersion() is required and cannot be null.");
        }
        return service.listSkus(this.subscriptionId(), this.apiVersion(), this.acceptLanguage(), this.userAgent())
            .flatMap(new Func1<Response<ResponseBody>, Observable<ServiceResponse<SkuInfosInner>>>() {
                @Override
                public Observable<ServiceResponse<SkuInfosInner>> call(Response<ResponseBody> response) {
                    try {
                        ServiceResponse<SkuInfosInner> clientResponse = listSkusDelegate(response);
                        return Observable.just(clientResponse);
                    } catch (Throwable t) {
                        return Observable.error(t);
                    }
                }
            });
    }
public Observable < ServiceResponse < SkuInfosInner > > listSkusWithServiceResponseAsync ( ) { if ( this . subscriptionId ( ) == null ) { throw new IllegalArgumentException ( "Parameter this.subscriptionId() is required and cannot be null." ) ; } if ( this . apiVersion ( ) == null ) { throw new IllegalArgumentException ( "Parameter this.apiVersion() is required and cannot be null." ) ; } return service . listSkus ( this . subscriptionId ( ) , this . apiVersion ( ) , this . acceptLanguage ( ) , this . userAgent ( ) ) . flatMap ( new Func1 < Response < ResponseBody > , Observable < ServiceResponse < SkuInfosInner > > > ( ) { @ Override public Observable < ServiceResponse < SkuInfosInner > > call ( Response < ResponseBody > response ) { try { ServiceResponse < SkuInfosInner > clientResponse = listSkusDelegate ( response ) ; return Observable . just ( clientResponse ) ; } catch ( Throwable t ) { return Observable . error ( t ) ; } } } ) ; }
List all SKUs.
List all SKUs.

@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the SkuInfosInner object