public static bool IsExternalReference <TLinkAddress>(this LinksConstants <TLinkAddress> linksConstants, TLinkAddress address) => linksConstants.ExternalReferencesRange?.Contains(address) ?? false;
 public static bool IsReference <TLinkAddress>(this LinksConstants <TLinkAddress> linksConstants, TLinkAddress address) => linksConstants.IsInternalReference(address) || linksConstants.IsExternalReference(address);
 public static bool IsInternalReference <TLinkAddress>(this LinksConstants <TLinkAddress> linksConstants, TLinkAddress address) => linksConstants.InternalReferencesRange.Contains(address);