63     for (PrefixAgent &prefixAgent : mPrefixAgents)  in UpdateService()
67         if (!prefixAgent.IsValid())  in UpdateService()
81 …    error = Get<NetworkData::Leader>().GetContext(prefixAgent.GetPrefixAsAddress(), lowpanContext);  in UpdateService()
83             if ((error == kErrorNone) && (prefixAgent.GetContextId() == lowpanContext.mContextId))  in UpdateService()
93             Get<ThreadNetif>().RemoveUnicastAddress(prefixAgent.GetAloc());  in UpdateService()
94             prefixAgent.Clear();  in UpdateService()
147     for (PrefixAgent &prefixAgent : mPrefixAgents)  in AddPrefixAgent()
149         if (!prefixAgent.IsValid())  in AddPrefixAgent()
151             newEntry = &prefixAgent;  in AddPrefixAgent()
153         else if (prefixAgent.GetPrefix() == aIp6Prefix)  in AddPrefixAgent()
435         for (const PrefixAgent &prefixAgent : mPrefixAgents)  in AppendIaAddress()  local
437             if (prefixAgent.IsValid())  in AppendIaAddress()
439 …        SuccessOrExit(error = AddIaAddress(aMessage, prefixAgent.GetPrefixAsAddress(), aClientId));  in AppendIaAddress()