import { BlockElement } from '../../../models/element';
export interface MatrixElement extends BlockElement.Base, BlockElement.BaseQuestion {
    readonly type: 'matrix';
    readonly rows: BlockElement.OptionSelect[];
    readonly columns: BlockElement.OptionSelect[];
    readonly orientation: 'horizontal' | 'vertical';
}
export declare namespace MatrixElement {
    const empty: (id: string) => MatrixElement;
    const ICON = "fas:th";
}
