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							'use strict'
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							var EventEmitter = require('events').EventEmitter
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							var util = require('util')
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							var trackerId = 0
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							var TrackerBase = module.exports = function (name) {
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							  EventEmitter.call(this)
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							  this.id = ++trackerId
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							  this.name = name
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							}
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							util.inherits(TrackerBase, EventEmitter)
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