class GateioJacksonObjectMapperFactory extends DefaultJacksonObjectMapperFactory {

  @Override
  public void configureObjectMapper(ObjectMapper objectMapper) {<FILL_FUNCTION_BODY>}
}

    super.configureObjectMapper(objectMapper);

    // by default read timetamps as milliseconds
    objectMapper.configure(DeserializationFeature.READ_DATE_TIMESTAMPS_AS_NANOSECONDS, false);

    // enable parsing to Instant
    objectMapper.registerModule(new JavaTimeModule());
  
<no_super_class>