import { StyleDefinition } from './style-definition' ; import { IColumns } from '../interfaces' ; /**
 * Class to create some columns
 */ export class Columns extends StyleDefinition < Columns , IColumns > { param _columns constructor ( private _columns ) { super ( ) ; this . content . columns = this . _columns ; } param space public columnGap ( space ) { this . content . columnGap = space ; return this ; } }