code: public final String getFinishFormattedLong() {
          Granularity finishGran = this.interval.getFinishGranularity();
          return formatFinish(finishGran != null ? finishGran.getLongFormat()
                  : null);
      }
docs: Returns the latest valid time of this proposition as a long string.
  
  @return a <code>String</code>.