public Observable<ZoneDeleteResultInner> beginDeleteAsync(String resourceGroupName, String zoneName, String ifMatch) {
        return beginDeleteWithServiceResponseAsync(resourceGroupName, zoneName, ifMatch).map(new Func1<ServiceResponse<ZoneDeleteResultInner>, ZoneDeleteResultInner>() {
            @Override
            public ZoneDeleteResultInner call(ServiceResponse<ZoneDeleteResultInner> response) {
                return response.body();
            }
        });
    }
public Observable < ZoneDeleteResultInner > beginDeleteAsync ( String resourceGroupName , String zoneName , String ifMatch ) { return beginDeleteWithServiceResponseAsync ( resourceGroupName , zoneName , ifMatch ) . map ( new Func1 < ServiceResponse < ZoneDeleteResultInner > , ZoneDeleteResultInner > ( ) { @ Override public ZoneDeleteResultInner call ( ServiceResponse < ZoneDeleteResultInner > response ) { return response . body ( ) ; } } ) ; }
Deletes a DNS zone. WARNING: All DNS records in the zone will also be deleted. This operation cannot be undone.

@param resourceGroupName The name of the resource group.
@param zoneName The name of the DNS zone (without a terminating dot).
@param ifMatch The etag of the DNS zone. Omit this value to always delete the current zone. Specify the last-seen etag value to prevent accidentally deleting any concurrent changes.
@throws IllegalArgumentException thrown if parameters fail the validation
@return the observable to the ZoneDeleteResultInner object