export declare type WidthsMap = Map<string | number, number>;
export declare type WidthsMapUpdater = (prevWidthsMap: WidthsMap) => WidthsMap;
export declare type SetWidthsMap = (updater: WidthsMapUpdater) => void;
export declare type TabIdGetter<TTab> = (item: TTab) => string;
export declare type IsTabActive<TTab> = (item: TTab) => boolean;
export interface CollapsibleTabsState<TTab, TContainerElement, TMoreButtonElement> {
    visibleTabs: TTab[];
    hiddenTabs: TTab[];
    containerRefCallback: (element: TContainerElement | null) => void;
    moreButtonRefCb: (element: TMoreButtonElement | null) => void;
    setWidthsMap: SetWidthsMap;
}