nl_tokens: @constructor
pl_tokens: function ArrayStream ( arr , options ) { var <mask> = this ; this . _reading = false ; this . _closing = false ; this . _index = 0 ; options = options || { } ; this . _duplex = options . duplex || false ; this . set ( arr ) ; Duplex . call ( this , { objectMode : true , highWaterMark : options . highWaterMark || Math . pow ( 2 , 10 ) } ) ; }