code: function (hostname, command) {
      var hostInfo = {hostname: hostname, user: '', password: ''}
      var hostInfoKeys = ['port', 'user', 'password', 'truststore']
      hostInfoKeys.forEach(function (hostInfoKey) {
        if (command[hostInfoKey]) {
          hostInfo[hostInfoKey] = command[hostInfoKey]
          delete command[hostInfoKey]
        }
      })
      return hostInfo
    }
docs: Extract host info from the supplied Commander-based command. Host-info
  keys are removed from the command.
  @param {String} hostname - Name of the management service host.
  @param {Command} command - The Commander command to extract host info
  from.
  @returns {ManagementServiceHostInfo} The host info.