code: public DbPipe getClassPipeProperties(Database database, String className, String pipeName) throws DevFailed {
  
          DeviceData argIn = new DeviceData();
          argIn.insert(new String[]{className, pipeName});
          DeviceData argOut = database.command_inout("DbGetClassPipeProperty", argIn);
          return ApiUtil.toDbPipe(pipeName, argOut.extractStringArray());
      }
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