class JacksonObjectMapper implements ObjectMapper {

    @Override
    public String writeValue(Object value) {
        try {
            return om.writeValueAsString(value);
        } catch (JsonProcessingException e) {
            throw new UnirestException(e);
        }
    }

    public  JacksonObjectMapper();
    public  JacksonObjectMapper(com.fasterxml.jackson.databind.ObjectMapper om);

}