Methods
startScanning(serviceUuidsnullable, allowDuplicatesnullable, callbacknullable)
    Start Scanning services
    Parameters:
| Name | Type | Attributes | Description | 
|---|---|---|---|
| serviceUuids | Array.<string> | <nullable> | an array of strings specifying service's UUID | 
| allowDuplicates | boolean | <nullable> | true, allows duplicates false forbid them | 
| callback | function | <nullable> | function to call if errors | 
Examples
// any service UUID, no duplicates
var noble = require('noble');
noble.startScanning(); // any service UUID, allow duplicates
var noble = require('noble');
noble.startScanning([], true); // particular UUID's
var noble = require('noble');
// default: [] => all
var serviceUUIDs = ["<service UUID 1>", ...]; 
// default: false
var allowDuplicates = <false|true>; 
// callback error optional
noble.startScanning(serviceUUIDs, allowDuplicates[, callback(error)]);