public FutureResponseAs<ResponseEntity<T>> orElseJson(TypeReference<? extends T> typeRef) {
        return orElseJson(typeRef, OBJECT_MAPPER);
    }
Returns {@link FutureResponseAs} that deserializes the {@link HttpResponse} based on the configured
deserializers so far and deserializes to the {@link TypeReference} lastly if none of the
{@link Predicate} of configured deserializers pass.
core/src/main/java/com/linecorp/armeria/client/JsonConditionalResponseAs.java