purpur-quest-board/src/main/java/games/dmg/spigotquestboard/QuestCompletionGateway.java

package games.dmg.spigotquestboard;

import java.io.IOException;
import java.time.Instant;
import org.bukkit.entity.Player;

interface QuestCompletionGateway {
    QuestCompletion complete(Player player, String questId, Instant completedAt) throws IOException;
}