code: public List<DbHistory> getClassPipePropertyHistory(Database database, String className,
                                                         String pipeName, String propertyName) throws DevFailed {
          String[]    array = new String[] { className, pipeName, propertyName };
          DeviceData  argIn = new DeviceData();
          argIn.insert(array);
          DeviceData  argOut = database.command_inout("DbGetClassPipePropertyHist", argIn);
          return convertPropertyHistory(argOut.extractStringArray(), true);
      }
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