import { Ref } from 'vue';
import { TimelineContext } from '../types';
export declare const ECHARTS_TIMELINE_KEY: unique symbol;
interface UseTimelineOptions<T> {
    options: Ref<T>;
    update: (data: T) => void;
}
export declare function useTimeline<T>(config?: Partial<UseTimelineOptions<T>>): TimelineContext;
export {};