[app-wiring-refactor]: Apply review comments:

- Add reference to original library in `FluentBuilder`.
- Change `I<Name>` notation to `<Name>Impl` notation.
- Move error config to test resources
- Add comment with config instruction
- Add config to the documentation

Mage.Server/src/main/java/mage/server/managers/GameManager.java

@@ -0,0 +1,54 @@
+package mage.server.managers;
+
+import mage.cards.decks.DeckCardLists;
+import mage.constants.ManaType;
+import mage.constants.PlayerAction;
+import mage.game.Game;
+import mage.game.GameOptions;
+import mage.server.game.GameController;
+import mage.view.GameView;
+
+import java.util.Map;
+import java.util.Optional;
+import java.util.UUID;
+import java.util.concurrent.ConcurrentHashMap;
+
+public interface GameManager {
+    UUID createGameSession(Game game, ConcurrentHashMap<UUID, UUID> userPlayerMap, UUID tableId, UUID choosingPlayerId, GameOptions gameOptions);
+
+    void joinGame(UUID gameId, UUID userId);
+
+    Optional<UUID> getChatId(UUID gameId);
+
+    void sendPlayerUUID(UUID gameId, UUID userId, UUID data);
+
+    void sendPlayerString(UUID gameId, UUID userId, String data);
+
+    void sendPlayerManaType(UUID gameId, UUID playerId, UUID userId, ManaType data);
+
+    void sendPlayerBoolean(UUID gameId, UUID userId, Boolean data);
+
+    void sendPlayerInteger(UUID gameId, UUID userId, Integer data);
+
+    void quitMatch(UUID gameId, UUID userId);
+
+    void sendPlayerAction(PlayerAction playerAction, UUID gameId, UUID userId, Object data);
+
+    boolean watchGame(UUID gameId, UUID userId);
+
+    void stopWatching(UUID gameId, UUID userId);
+
+    void cheat(UUID gameId, UUID userId, UUID playerId, DeckCardLists deckList);
+
+    boolean cheat(UUID gameId, UUID userId, UUID playerId, String cardName);
+
+    void removeGame(UUID gameId);
+
+    boolean saveGame(UUID gameId);
+
+    GameView getGameView(UUID gameId, UUID playerId);
+
+    int getNumberActiveGames();
+
+    Map<UUID, GameController> getGameController();
+}