docs: function (what, method) { var el = this, method = _.find (arguments, _.isFunction)
  
              /*  See useless/base/dynamic/stream.js for that queue/queuedBy interface.
               */
              if (method.queuedBy) {
                  method.queuedBy.push ({ remove: function () { el.off (what, method) } }) }
  
              /*  Call original impl.
               */
              return __previousMethods__.on.apply (this, arguments) }