import { Factory, CssRule, CssStyleCollection, CssSelectorCollection, CssVars } from '@cssfn/core';
import { OrientationableOptions } from '@reusable-ui/orientationable';
export declare const defaultOrientationableOptions: OrientationableOptions;
export interface GroupableVars {
    borderWidth: any;
    borderStartStartRadius: any;
    borderStartEndRadius: any;
    borderEndStartRadius: any;
    borderEndEndRadius: any;
    paddingInline: any;
    paddingBlock: any;
}
export declare const ifVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifFirstVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifLastVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifNotFirstVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifNotLastVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifSecondVisibleChild: (styles: CssStyleCollection) => CssRule;
export declare const ifNotSecondVisibleChild: (styles: CssStyleCollection) => CssRule;
export interface GroupableStuff {
    groupableRule: Factory<CssRule>;
    separatorRule: Factory<CssRule>;
    groupableVars: CssVars<GroupableVars>;
}
export interface GroupableOptions extends OrientationableOptions {
    itemsSelector?: CssSelectorCollection;
    swapFirstItem?: boolean;
}
/**
 * Groups a list of UIs into a single UI.
 * @param options  Options of `groupableRule`.
 * @returns A `GroupableStuff` represents the group rules.
 */
export declare const usesGroupable: (options?: GroupableOptions) => GroupableStuff;