code: private JSONArray addValue( Object value, JsonConfig jsonConfig ) {
        return _addValue( processValue( value, jsonConfig ), jsonConfig );
     }
docs: Append an object value. This increases the array's length by one.
  
  @param value An object value. The value should be a Boolean, Double,
  Integer, JSONArray, JSONObject, JSONFunction, Long, String,
  JSONString or the JSONNull object.
  @return this.