try {
            return new Builder(
                    getUserProperties(), getSystemProperties(), getStartTime(), getTopDirectory(), getRootDirectory());
        } catch (IllegalStateException e) {
            return new Builder(getUserProperties(), getSystemProperties(), getStartTime(), getTopDirectory(), null);
        }
    }

    /**
     * Returns new builder from scratch.
     */

        return convertEmptyToNull(scriptType);
    }

    public void setScriptType(String value) {
        registerModifiedProperty("scriptType");
        this.scriptType = value;
    }

    public Long getStartTime() {
        checkSpecifiedProperty("startTime");
        return startTime;
    }

    public void setStartTime(Long value) {
        registerModifiedProperty("startTime");
        this.startTime = value;

        setupEpg(_epgMap, et -> ((JobLog) et).getScriptType(), (et, vl) -> ((JobLog) et).setScriptType(DfTypeUtil.toString(vl)),
                "scriptType");
        setupEpg(_epgMap, et -> ((JobLog) et).getStartTime(), (et, vl) -> ((JobLog) et).setStartTime(DfTypeUtil.toLong(vl)), "startTime");
        setupEpg(_epgMap, et -> ((JobLog) et).getTarget(), (et, vl) -> ((JobLog) et).setTarget(DfTypeUtil.toString(vl)), "target");
    }