static merge(leftRowIndicatorColumn, rightRowIndicatorColumn) {
			if (leftRowIndicatorColumn == null && rightRowIndicatorColumn == null) {
				return null;
			}
			let barcodeMetadata = PDF417ScanningDecoder.getBarcodeMetadata(leftRowIndicatorColumn, rightRowIndicatorColumn);
			if (barcodeMetadata == null) {
				return null;
			}
			let boundingBox = BoundingBox.merge(PDF417ScanningDecoder.adjustBoundingBox(leftRowIndicatorColumn), PDF417ScanningDecoder.adjustBoundingBox(rightRowIndicatorColumn));
			return new DetectionResult(barcodeMetadata, boundingBox);
		}
@param leftRowIndicatorColumn
@param rightRowIndicatorColumn

@throws NotFoundException