labelOffsetX (labelOffsetX) {
        if (!arguments.length) {
            return this._labelOffsetX;
        }
        this._labelOffsetX = labelOffsetX;
        return this;
    }
Get or set the x offset (horizontal space to the top left corner of a row) for labels on a particular row chart.
@param {Number} [labelOffsetX=10]
@returns {Number|RowChart}