docx-js/src/file/document/body/section-properties/columns/columns-attributes.ts

import { XmlAttributeComponent } from "file/xml-components";

export interface IColumnsAttributes {
    readonly space?: number;
}

export class ColumnsAttributes extends XmlAttributeComponent<IColumnsAttributes> {
    protected readonly xmlKeys = {
        space: "w:space",
    };
}