import { InjectionKey } from 'vue';
export type TimelineItemType = 'primary' | 'info' | 'success' | 'error' | 'warning' | 'disabled';
export interface ItemState {
    label: string | number;
    index: number;
    total: number;
    height: number;
}
export interface TimelineState {
    dashed: boolean;
    lineColor: string;
    spacing: number | string;
    alternate: boolean;
    horizontal: boolean;
    increaseItem: (item: ItemState) => void;
    decreaseItem: (item: ItemState) => void;
    handleSignalClick: (label: string | number) => void;
}
export declare const TIMELINE_STATE: InjectionKey<TimelineState>;
export declare const timelineItemTypes: readonly TimelineItemType[];