code: function Probe(collector) {
      this.fuse();
  
      //
      // Name of the probe, the registries the probe should run against
      // and how often it should run.
      //
      this.readable('name', name);
      this.readable('collector', collector);
      this.readable('list', Object.keys(require('../registries')));
  
      //
      // How often should the probe run.
      //
      this.readable('interval', interval);
    }
docs: Probe constructor.
  
  @constructor
  @param {Collector} collector instance
  @api public