import { RuleObject, RuleHandler } from './makeQuery';
/**
 * wrap content by open and closed tags
 */
export declare const wrapContent: (pre: any, post: any) => RuleHandler;
/**
 * emptyContent - skip any child node
 */
export declare const emptyContent: () => RuleHandler;
/**
 * content - process childs as regular content
 */
export declare const content: RuleHandler;
/**

Set hander after call with node

':para':setFn((node,ctx) => (ctx.parents || [] ).includes('head') ? content : wrapContent('<p>','</p>'),

*/
export declare const setFn: (check: any) => RuleHandler;
/**

Set new context for handler

        const parents = (ctx.parents || [])
        parents.push('head')
        const {level} = node
        return setContext( { ...ctx, parents }, wrapContent(`<h${level}>`,`</h${level}>`))

*/
export declare const setContext: (ctx: any, fn: any) => RuleHandler;
/**
 * Make subset of rules for processing
 *
 * @param {*} rules
 * @param {*} processNode
 */
export declare const subUse: (rules: RuleObject | Array<RuleObject>, processNode: any) => RuleHandler;
/**
 * Add support nesting
 *
 * @param {*} rules
 * @param {*} implicitLevel - default level of nesting
 *
 */
export declare const handleNested: (defaultHandler: RuleHandler, implicitLevel?: number) => RuleHandler;