minWidth (minWidth) {
        if (!arguments.length) {
            return this._minWidth;
        }
        this._minWidth = minWidth;
        return this;
    }
Set or get the minimum width attribute of a chart. This only has effect when used with the default
{@link BaseMixin#width width} function.
@see {@link BaseMixin#width width}
@param {Number} [minWidth=200]
@returns {Number|BaseMixin}