alignYAxes (alignYAxes) {
        if (!arguments.length) {
            return this._alignYAxes;
        }
        this._alignYAxes = alignYAxes;
        this.rescale();
        return this;
    }
Get or set alignment between left and right y axes. A line connecting '0' on both y axis
will be parallel to x axis. This only has effect when {@link CoordinateGridMixin#elasticY elasticY} is true.
@param {Boolean} [alignYAxes=false]
@returns {Chart}