converters.put(Byte.TYPE, new ByteConverter(defaultByte));
        converters.put(Byte.class, new ByteConverter(defaultByte));
        converters.put(byteArray.getClass(),
                       new ByteArrayConverter(byteArray));
        converters.put(Character.TYPE,
                       new CharacterConverter(defaultCharacter));
        converters.put(Character.class,
                       new CharacterConverter(defaultCharacter));
        converters.put(charArray.getClass(),
                       new CharacterArrayConverter(charArray));
        converters.put(Class.class, new ClassConverter());
        converters.put(Double.TYPE, new DoubleConverter(defaultDouble));
        converters.put(Double.class, new DoubleConverter(defaultDouble));