public ResolveData(Ivy ivy, File cache, Date date, ConfigurationResolveReport report, boolean validate) { this(ivy, cache, date, report, validate, new HashMap());
public ResolveData(ResolveData data, boolean validate) { this(data._ivy, data._cache, data._date, data._report, validate, data._nodes);
    public ResolveData(Ivy ivy, File cache, Date date, ConfigurationResolveReport report, boolean validate) {        this(ivy, cache, date, report, validate, new HashMap());    }