public long getDisplayWindowEnd() {
    return displayWindowEnd;
  }
Sliding step will be set to the same as the time interval, display window begin will be set to
the same as the minimum timestamp of the query result set, and display window end will be set
to the same as the maximum timestamp of the query result set.

@param timeInterval 0 < timeInterval
iotdb-api/udf-api/src/main/java/org/apache/iotdb/udf/api/customizer/strategy/SlidingTimeWindowAccessStrategy.java