public override int AddVersion(ItemDefinition itemDefinition, VersionUri baseVersion, CallContext context)
        {
#if DEBUG
            var timer = Stopwatch.StartNew();
#endif

            var version = HeadProvider.AddVersion(itemDefinition, baseVersion, context);

#if DEBUG
            this.Trace(version, timer, itemDefinition, baseVersion, context);
#endif

            return(version);
        }