import React from 'react';
type HTMLRef = React.MutableRefObject<HTMLElement | null>;
interface ContextValue {
    setRef?: (ref: HTMLRef, index?: number) => void;
    removeRef?: (ref: HTMLRef) => void;
    getIndex?: (ref: HTMLRef) => number | undefined;
    total?: number;
    getByIndex?: (index: number) => {
        ref: {
            current: HTMLElement | null;
        };
        index: number | undefined;
    } | null;
}
export declare const createDescendantsIndexContext: () => {
    DescendantsIndexProvider: React.FC<{
        children: React.ReactNode;
    }>;
    useDescendantIndex: <T extends HTMLElement = HTMLElement>() => {
        ref: React.RefObject<T | null>;
        index: number | undefined;
        total: number | undefined;
        getByIndex: ((index: number) => {
            ref: {
                current: HTMLElement | null;
            };
            index: number | undefined;
        } | null) | undefined;
    };
    DescendantsIndexContext: React.Context<ContextValue>;
};
export declare function sortNodes(nodes: HTMLElement[]): HTMLElement[];
export {};