public bool TryAdd(object instanceOrReplica, out PathString urlPrefix)
{
if (instanceOrReplica == null)
{
throw new ArgumentNullException(nameof(instanceOrReplica));
}
if (!(instanceOrReplica is IStatelessServiceInstance) && !(instanceOrReplica is IStatefulServiceReplica))
{
throw new ArgumentException(null, nameof(instanceOrReplica));
}
urlPrefix = UrlPrefix.NewUrlPrefix();
return(ImmutableInterlocked.TryAdd(ref _entries, urlPrefix, instanceOrReplica));
}
