docs: function consumeLongFormOption(arg, argv, result) {
          var optionName = arg.replace(/^--/, '')
          if (/^--.*=.*/.test(arg)) {
              var tokens = optionName.split('=')
              var name = tokens[0]
              var value = tokens[1]
              this.consumeExplicitSetOptionValue(name, value, argv, result)
              argv.next()
          } else {
              var optionName = arg.replace(/^--/, '')
              this.consumeOption(optionName, argv, result)
          }
      }