import java.util.ArrayList;
import java.util.List;

import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class ScoreUpdater {
    private static final Logger logger = LogManager.getLogger(ScoreUpdater.class);

    private final List<ScoreBooster> scoreBoosterList = new ArrayList<>();

    public String execute() {
        final StringBuilder resultBuf = new StringBuilder();