code: public java.util.List<java.util.Date> getTimestamps() {
          if (timestamps == null) {
              timestamps = new com.amazonaws.internal.SdkInternalList<java.util.Date>();
          }
          return timestamps;
      }
docs: <p>
  The timestamps for the data points, formatted in Unix timestamp format. The number of timestamps always matches
  the number of values and the value for Timestamps[x] is Values[x].
  </p>
  
  @return The timestamps for the data points, formatted in Unix timestamp format. The number of timestamps always
  matches the number of values and the value for Timestamps[x] is Values[x].