def begin_delete(resource_group_name, zone_name, if_match:nil, custom_headers:nil)
      response = begin_delete_async(resource_group_name, zone_name, if_match:if_match, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
def begin_delete(resource_group_name, zone_name, if_match:nil, custom_headers:nil)
      response = begin_delete_async(resource_group_name, zone_name, if_match:if_match, custom_headers:custom_headers).value!
      response.body unless response.nil?
    end
Deletes a DNS zone. WARNING: All DNS records in the zone will also be
 deleted. This operation cannot be undone.

 @param resource_group_name [String] The name of the resource group. The name
 is case insensitive.
 @param zone_name [String] The name of the DNS zone (without a terminating
 dot).
 @param if_match [String] 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.
 @param custom_headers [Hash{String => String}] A hash of custom headers that
 will be added to the HTTP request.

 @return [ZoneDeleteResult] operation results.