import { InjectionKey } from 'vue';
export interface AnchorLinkOptions {
    to: string;
    label: string;
    title?: string;
    children?: AnchorLinkOptions[];
}
export interface AnchorLinkState {
    el?: HTMLElement;
    to: string;
    active: boolean;
    indent: number;
}
export interface AnchorState {
    currentActive: string;
    increaseLink(state: AnchorLinkState): void;
    decreaseLink(state: AnchorLinkState): void;
    handleActive(label: string): void;
}
export interface AnchorSlots {
    default?: () => any;
    marker?: () => any;
}
export declare const baseIndentWidth = 14;
export declare const LINK_STATE: InjectionKey<AnchorLinkState>;
export declare const ANCHOR_STATE: InjectionKey<AnchorState>;