code: function registerNodeFunctions() {
          functionMap["node.downloadInstaller"] = downloadInstaller;
          functionMap["node.performCleanup"] = performCleanup;
          functionMap["node.validateInstaller"] = validateChecksum;
          functionMap["node.initializeState"] = initializeState;
          functionMap["node.checkInstallerStatus"] = checkInstallerStatus;
          functionMap["node.removeFromRequesters"] = removeFromRequesters;
      }
docs: Generates a map for node side functions