text: var Metadata = function (candidates, final) {
  
      return process.env.pm_id > 0 ? {
          storedOn: candidates,
          readFrom: parseInt(final) || -1,
          servedBy: parseInt(process.env.pm_id)
      } : {
          storedOn: [],
          readFrom: NaN,
          servedBy: NaN
      }
  };
  
  module.exports = Metadata;