Subclassed type wrappers fail to check restrictions

  typedef ipv4-address {
    type string {
      pattern
        '(([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])\.){3}'
      +  '([0-9]|[1-9][0-9]|1[0-9][0-9]|2[0-4][0-9]|25[0-5])'
      + '(%[\p{N}\p{L}]+)?';
    }
  }

  typedef ipv4-address-no-zone {
    type inet:ipv4-address {
      pattern '[0-9\.]*';
    }
  }

    @ConstructorProperties("value")
    public Ipv4AddressNoZone(String _value) {
        super(_value);
    
        Objects.requireNonNull(_value, "Supplied value may not be null");
        CodeHelpers.checkPattern(_value, patterns, regexes);
    
    }
    
    /**
     * Creates a copy from Source Object.
     *
     * @param source Source object
     */
    public Ipv4AddressNoZone(Ipv4AddressNoZone source) {
        super(source);
    }
    /**
     * Creates a new instance from Ipv4Address
     *
     * @param source Source object
     */
    public Ipv4AddressNoZone(Ipv4Address source) {
            super(source);
    }