Java SearchResponse<ObjectNode> serialization

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1

it's a simple question, but I can't seem to serialize the SearchResponse back to a json string.

What I've tried:

    final SearchResponse<ObjectNode> search1 = client.search(
            e -> e.index("myindex")
                    .query(

                                    qb -> qb.matchAll(ma -> ma)

                    )
            ,
            ObjectNode.class);
    final JsonGenerator generator = Json.createGenerator(response.getWriter());
    search1.serialize(generator, new JacksonJsonpMapper(createDefaultObjectMapper()));
    generator.close();

I get the non meaningful error:

java.lang.IllegalArgumentException: Jackson's ObjectMapper can only be used with the JacksonJsonpProvider
2

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