height() {
        return new ArgHandler('Row.height')
            .case(() => {
                return this._node.attributes.customHeight ? this._node.attributes.ht : undefined;
            })
            .case('number', height => {
                this._node.attributes.ht = height;
                this._node.attributes.customHeight = 1;
                return this;
            })
            .case('nil', () => {
                delete this._node.attributes.ht;
                delete this._node.attributes.customHeight;
                return this;
            })
            .handle(arguments);
    }
Sets the row height.
@param {number} height - The height of the row.
@returns {Row} The row.