@Override
    public int hashCode() {
        return Objects.hash(format, schema, config, builderProvider);
    }
Version-specific creation of {@link org.elasticsearch.action.ActionRequest}s used by the
sink.
inlong-sort/sort-flink/sort-flink-v1.18/sort-connectors/elasticsearch7/src/main/java/org/apache/inlong/sort/elasticsearch7/table/Elasticsearch7DynamicSink.java