import { SvelteMap } from 'svelte/reactivity';
import type { SearchTerm } from './util/search.js';
export declare function initValueCache(): SvelteMap<string, unknown>;
export declare function useValueCache<T = unknown>(): SvelteMap<string, T>;
export declare function getPreviewLevel(): number;
type SearchContext = () => {
    searching: boolean;
    matchingPaths: string[];
    query: string;
    terms: SearchTerm[];
};
export declare function setSearchContext(value: SearchContext): SearchContext;
export declare function useSearchContext(): SearchContext;
export declare function setIsKey(): boolean;
export declare function getIsKey(): boolean;
type OnDestroyCallback = () => void;
type AddDestroyCallback = (cb: OnDestroyCallback) => void;
export declare function setAddDestroyCallback(cb: AddDestroyCallback): AddDestroyCallback;
export declare function getAddDestroyCallbackFn(): AddDestroyCallback;
export {};