@Override
    public boolean equals(Object o) {
        if (this == o) {
            return true;
        }
        if (o == null || getClass() != o.getClass()) {
            return false;
        }
        Elasticsearch6DynamicSink that = (Elasticsearch6DynamicSink) o;
        return Objects.equals(format, that.format)
                && Objects.equals(schema, that.schema)
                && Objects.equals(config, that.config)
                && Objects.equals(builderProvider, that.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/elasticsearch6/src/main/java/org/apache/inlong/sort/elasticsearch6/table/Elasticsearch6DynamicSink.java