Fiona API Class

import java.util.ArrayList;
import java.util.Map;

import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.entity.Player;

import anticheat.detections.Checks;
import anticheat.detections.ChecksManager;
import anticheat.user.User;

public class FionaAPI {

    private static FionaAPI api;

    public FionaAPI() {
        api = this;
    }

    public static FionaAPI getAPI() {
        return api;
    }

    public Map<Checks, Integer> getViolations(Player player) {
        return Fiona.getUserManager().getUser(player.getUniqueId()).getVLs();
    }

    public void clearViolations(Player player) {
        Fiona.getUserManager().getUser(player.getUniqueId()).getVLs().clear();
    }

    public void clearAllViolations() {
        Fiona.getAC().clearVLS();
    }

    public void saveMessage() {
        Fiona.getAC().saveMessages();
    }

    public void saveConfig() {
        Fiona.getAC().saveConfig();
    }

    public FileConfiguration getConfig() {
        return Fiona.getAC().getConfig();
    }

    public void reloadConfig() {
        Fiona.getAC().reloadConfig();
    }

    public void reloadMessages() {
        Fiona.getAC().reloadMessages();
    }

    public void saveMessages() {
        Fiona.getAC().saveMessages();
    }

    public String getPrefix() {
        return Fiona.getAC().getPrefix();
    }

    public Checks getLastViolation(Player player) {
        User user = Fiona.getUserManager().getUser(player.getUniqueId());
        if(user.getVLs().size() > 0) {
            return (Checks) user.getVLs().keySet().toArray()[user.getVLs().keySet().size() - 1];
        }
        return null;
    }

    public void addCheck(Checks check) {
        ChecksManager.detections.add(check);
    }

    public Checks getCheckByName(String string) {
        return Fiona.getAC().getChecks().getCheckByName(string);
    }

    public void removeCheck(Checks check) {
        ChecksManager.detections.remove(check);
    }

    public ArrayList<Player> getPlayersBanned() {
        return Fiona.getAC().playersBanned;
    }

    public double getTPS() {
        return Fiona.getAC().getPing().getTPS();
    }

    public int getPing(Player player) {
        return Fiona.getAC().getPing().getPing(player);
    }

    public boolean hasAlerts(Player player) {
        return Fiona.getUserManager().getUser(player.getUniqueId()).isHasAlerts();
    }

    public String getVersion() {
        return Fiona.getAC().getDescription().getVersion();
    }
}