code: function(probeJSON) {
        var probeKey = probeJSON.probeClass,
            initParams = probeJSON.initParams;
  
        // Allow probes to be externally identified by name
        if (probeJSON.probeName) {
          return probeJSON.probeName;
        }
  
        if (initParams) {
          _.keys(initParams).sort().forEach(function(key){
            probeKey += ':' + key + '=' + initParams[key];
          });
        }
        return probeKey;
      }
docs: Build a probe key from the probe data
  
  @method buildProbeKey
  @protected
  @param probeJSON {Object} - An object containing:
  @param probeJSON.probeName {String} - The client-defined probe name
  -or-
  @param probeJSON.probeClass {String} - The probe class name (required)
  @param probeJSON.initParams {Object} - Probe initialization parameters (if any)
  @return probeKey {String} - A string identifying the probe