import Hexo from '../hexo';
import { PageSchema } from '../types';
import * as hutil from 'hexo-util';
interface HexoContext extends Hexo {
    page?: PageSchema;
    url_for: typeof hutil.url_for;
    full_url_for: typeof hutil.full_url_for;
    relative_url: typeof hutil.relative_url;
    slugize: typeof hutil.slugize;
    escapeDiacritic: typeof hutil.escapeDiacritic;
    escapeHTML: typeof hutil.escapeHTML;
    unescapeHTML: typeof hutil.unescapeHTML;
    encodeURL: typeof hutil.encodeURL;
    decodeURL: typeof hutil.decodeURL;
    escapeRegExp: typeof hutil.escapeRegExp;
    stripHTML: typeof hutil.stripHTML;
    stripIndent: typeof hutil.stripIndent;
    hash: typeof hutil.hash;
    createSha1Hash: typeof hutil.createSha1Hash;
    highlight: typeof hutil.highlight;
    prismHighlight: typeof hutil.prismHighlight;
    tocObj: typeof hutil.tocObj;
    wordWrap: typeof hutil.wordWrap;
    prettyUrls: typeof hutil.prettyUrls;
    isExternalLink: typeof hutil.isExternalLink;
    gravatar: typeof hutil.gravatar;
    htmlTag: typeof hutil.htmlTag;
    truncate: typeof hutil.truncate;
    spawn: typeof hutil.spawn;
    camelCaseKeys: typeof hutil.camelCaseKeys;
    deepMerge: typeof hutil.deepMerge;
}
interface StoreFunction {
    (this: HexoContext, ...args: any[]): any;
}
interface Store {
    [key: string]: StoreFunction;
}
/**
 * A helper makes it easy to quickly add snippets to your templates. We recommend using helpers instead of templates when you’re dealing with more complicated code.
 */
declare class Helper {
    store: Store;
    constructor();
    /**
     * @returns {Store} - The plugin store
     */
    list(): Store;
    /**
     * Get helper plugin function by name
     * @param {String} name - The name of the helper plugin
     * @returns {StoreFunction}
     */
    get(name: string): StoreFunction;
    /**
     * Register a helper plugin
     * @param {String} name - The name of the helper plugin
     * @param {StoreFunction} fn - The helper plugin function
     */
    register(name: string, fn: StoreFunction): void;
}
export = Helper;