How to add documents in bulk operation? about elasticsearch-java HOT 3 CLOSED

        AppData appData = new AppData();
        appData.setIntValue(42);
        appData.setMsg("Some message");

        BulkResponse bulk = client.bulk(_0 -> _0
            .operations(_1 -> _1
                .create(_2 -> _2
                    .index("foo")
                    .id("abc")
                    .document(appData)
            ))
            .operations(_1 -> _1
                .create(_2 -> _2
                    .index("foo")
                    .id("def")
                    .document(appData)
            ))
        );