import { AnyFn, UndefinedAble } from '../../../../shared/types';
import { Form, GeneralField } from '@formily/core';
import { Ref } from 'vue';
import { FormItemDepsCollector, FormRenderProps } from '../../../../components/form-render';
export declare function useAnchor(props: Readonly<FormRenderProps>, emit: AnyFn, scrollbarRef: Ref<UndefinedAble<HTMLElement>>, collector: FormItemDepsCollector): {
    currentAnchor: import("vue").WritableComputedRef<string, string>;
    onScroll: (scrollEvent: Event) => void;
    anchorIdList: Ref<{
        name: string;
        title: string;
        index: number;
    }[], (Record<"name" | "title", string> & {
        index: number;
    })[] | {
        name: string;
        title: string;
        index: number;
    }[]>;
    generateAnchorList: (formModel: Form) => Promise<void>;
    updateAnchorList: (field: GeneralField) => void;
    scrollTo: (id: string) => Promise<void>;
    anchorBarRef: Ref<{
        syncBarPosition: AnyFn;
    } | undefined, {
        syncBarPosition: AnyFn;
    } | undefined>;
};