constructor() {
			super();
			this.decodeMiddleCounters = Int32Array.from([0, 0, 0, 0]);
		}
<p>Implements decoding of the EAN-13 format.</p>

@author dswitkin@google.com (Daniel Switkin)
@author Sean Owen
@author alasdair@google.com (Alasdair Mackintosh)