code: public static FileLastModifiedFilter during(LocalDateTime dateTimeBegin, LocalDateTime dateTimeEnd) {
      return during(dateTimeBegin.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli(),
        dateTimeEnd.atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());
    }
docs: Factory method to create an instance of the {@link FileLastModifiedFilter} that evaluates and filters {@link File}s
  based on whether they were last modified between a given span of time.
  
  @param dateTimeBegin {@link LocalDateTime} used to filter {@link File}'s that were last modified
  on or after this date/time.
  @param dateTimeEnd {@link LocalDateTime} used to filter {@link File}'s that were last modified
  on or before this date/time.
  @return an instance of the {@link FileLastModifiedFilter}.
  @see java.time.LocalDateTime
  @see #during(long, long)