import ResultPoint from './../../ResultPoint' ; see com . google . zxing . common . DecoderResult export default class QRCodeDecoderMetaData { public constructor ( private mirrored ) { } return public isMirrored ( ) { return this . mirrored ; } param points public applyMirroredCorrection ( points ) { if ( ! this . mirrored || points === null || points . length < 3 ) { return ; } const bottomLeft = points [ 0 ] ; points [ 0 ] = points [ 2 ] ; points [ 2 ] = bottomLeft ; } }