docs: private void parseDateHeaderRange(Map<Object, Object> props) {
          // @313642
          Object value = props.get(HttpConfigConstants.PROPNAME_DATE_HEADER_RANGE);
          if (null != value) {
              try {
                  this.lDateHeaderRange = minLimit(convertLong(value), 0L);
                  if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                      Tr.event(tc, "Config: date header range is " + value);
                  }
              } catch (NumberFormatException nfe) {
                  FFDCFilter.processException(nfe, getClass().getName() + ".parseDateHeaderRange", "1");
                  if (TraceComponent.isAnyTracingEnabled() && tc.isEventEnabled()) {
                      Tr.event(tc, "Config: Invalid date header range; " + value);
                  }
              }
          }
      }