class ExportManager {

    public String getValue(String key) {
        if (key.indexOf(DOLLAR) == -1) {
            String value = getVariable(key);

            if (value == null)
                return null;

            if (value.indexOf(DOLLAR) == -1)
                return value;
            else
                return parseValue(value);
        }
        return parseValue(key);
    }

    public  ExportManager(File exportFile);
    public  ExportManager(File exportFile, ExportChangeListener listener);
    public  ExportManager(File exportFile, boolean exportUsesSystemEnvironment);
    public  ExportManager(File exportFile, boolean exportUsesSystemEnvironment, ExportChangeListener listener);

}