lib/limiter/PolicyLimiter.js
function(req, res, next) {
    var selector = this.selector.key(req)
    if (this.policy.allow(req, res, selector)) {
      next()
    } else {
      this.sendUnavailable(res, next)
    }
  }
function(req, res, next) {
    var selector = this.selector.key(req)
    if (this.policy.allow(req, res, selector)) {
      next()
    } else {
      this.sendUnavailable(res, next)
    }
  }
function ( req , res , next ) { var selector = this . selector . key ( req ) if ( this . policy . allow ( req , res , selector ) ) { next ( ) } else { this . sendUnavailable ( res , next ) } }
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@inheritdoc
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