WesJD

public class Logging {

    private static final String PREFIX = "MyPrefix";

    public static void logStatistic(String message) {
        logWithExtra("Statistic", message);
    }

    public static void logDebug(String message) {
        logWithExtra("Debug", message);

WesJD

public class Properties {
  
    public static void savePropertiesFile() {
        ((DedicatedServer) MinecraftServer.getServer()).propertyManager.savePropertiesFile();
    }
  
    public static void setServerProperty(ServerProperty property, Object value) {
        ((DedicatedServer) MinecraftServer.getServer()).propertyManager.setProperty(property.getPropertyName(), value);
    }

WesJD

public abstract class MainThreadExecutor {

    public MainThreadExecutor() {
        MinecraftServer.getServer().processQueue.add(new Runnable() {
            @Override
            public void run() {
                call();
            }
        });
    }