| Milestone | Data interface for retrieving milestone information. |
| Quest | Data interface for retrieving quest information. |
| Quests | Entry point for Quest functionality. |
| Quests.AcceptQuestResult | Result delivered when accepting a quest. |
| Quests.ClaimMilestoneResult | Result delivered when claiming a milestone. |
| Quests.LoadQuestsResult | Result delivered when quest data has been loaded. |
| QuestUpdateListener | Listener to invoke when a quest is updated. |
| MilestoneBuffer | DataBuffer implementation containing quest
milestone data. |
| MilestoneEntity | Data object representing the data for a milestone. |
| QuestBuffer | DataBuffer implementation containing Quest details. |
| QuestEntity | Data object representing the data for a quest. |