presto-record-decoder/src/main/java/io/prestosql/decoder/json/JsonRowDecoderFactory.java/JsonRowDecoderFactory/JsonRowDecoderFactory
class JsonRowDecoderFactory:    @Inject
    public JsonRowDecoderFactory(ObjectMapper objectMapper)
    {
        this.objectMapper = requireNonNull(objectMapper, "objectMapper is null");
    }