/**
 * 布局容器 widget 列表
 * 这些 widget 只用于布局，不应该产生数据嵌套
 */
export declare const LAYOUT_WIDGETS: readonly ["collapse", "boxCollapse", "card", "boxcard", "boxLineTitle", "boxSubInline", "lineTitle", "subInline", "box", "group", "fieldset"];
/**
 * 检查是否为布局容器
 */
export declare const isLayoutWidget: (widget?: string) => boolean;
/**
 * 检查 schema 是否为布局容器
 */
export declare const isLayoutContainer: (schema: any) => boolean;