define(function (require) {
    var zrUtil = require('zrender/core/util');
    return function (option) {
        if (!option || !zrUtil.isArray(option.series)) {
            return;
        }
        // Translate 'k' to 'candlestick'.
        zrUtil.each(option.series, function (seriesItem) {
            if (zrUtil.isObject(seriesItem) && seriesItem.type === 'k') {
                seriesItem.type = 'candlestick';
            }
        });
    };
}); 
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