subprojects/parseq-restli-client/src/main/java/com/linkedin/restli/client/GetRequestGroup.java
private static Tuple3<Set<Object>, Set<PathSpec>, Boolean> reduceRequests(final Tuple3<Set<Object>, Set<PathSpec>, Boolean> state,
      final Request<?> rq) {
    return reduceContainsBatch(reduceIds(reduceFields(state, rq), rq), rq);
  }
private static Tuple3<Set<Object>, Set<PathSpec>, Boolean> reduceRequests(final Tuple3<Set<Object>, Set<PathSpec>, Boolean> state,
      final Request<?> rq) {
    return reduceContainsBatch(reduceIds(reduceFields(state, rq), rq), rq);
  }
Tuple3: (keys, fields, contains-batch-get)