unsatisfiableness

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define(function (require) {

var positiveBorderColorQuery = ['itemStyle', 'normal', 'borderColor'];
    var negativeBorderColorQuery = ['itemStyle', 'normal', 'borderColor0'];
    var positiveColorQuery = ['itemStyle', 'normal', 'color'];
    var negativeColorQuery = ['itemStyle', 'normal', 'color0'];

return function (ecModel, api) {

ecModel.eachRawSeriesByType('candlestick', function (seriesModel) {

var data = seriesModel.getData();

data.setVisual({
                legendSymbol: 'roundRect'
            });

// Only visible series has each data be visual encoded
            if (!ecModel.isSeriesFiltered(seriesModel)) {
                data.each(function (idx) {
                    var itemModel = data.getItemModel(idx);
                    var sign = data.getItemLayout(idx).sign;

data.setItemVisual(
                        idx,
                        {
                            color: itemModel.get(
                                sign > 0 ? positiveColorQuery : negativeColorQuery
                            ),
                            borderColor: itemModel.get(
                                sign > 0 ? positiveBorderColorQuery : negativeBorderColorQuery
                            )
                        }
                    );
                });
            }
        });

};
});