import { IItem } from '../../types';
import { MatchResult } from './helpers';
/**
 * Sets the extra matching patterns and rejected patterns for date-time information.
 *
 * @param extraMatchingPatterns - An array of strings representing the extra matching patterns.
 * @param extraRejectedPatterns - An array of strings representing the extra rejected patterns.
 * @param {boolean} [shouldAvoidUsingWordBoundary=false] - A boolean indicating whether to avoid using word boundaries (useful for languages like Chinese and Japanese).
 *
 * @remarks
 * - For languages like Japanese that don't use spaces between words (or where word boundaries are not easily determined by spaces or punctuation),
 *   set `shouldAvoidUsingWordBoundary` to true to remove `\b` and use lookarounds to ensure correct boundaries.
 */
export declare const setExtraDateTimeInfoMatchingPatterns: (extraMatchingPatterns: string[], extraRejectedPatterns: string[], shouldAvoidUsingWordBoundary?: boolean) => void;
/**
 * Matches date and time information from the title and snippet of an item.
 *
 * @param {IItem} item - The item containing title and snippet to be matched against.
 * @param {string[]} [customMatchingPattenrs] - Optional custom matching patterns to be included in the regex.
 * @returns {string[]} - An array of matched date and time information strings.
 */
export declare const matchDateTimeInfo: (item: IItem, customMatchingPattenrs?: string[]) => MatchResult[];
/**
 * Check if the provided string contains recognized date and time information.
 * @param str - The string to check.
 * @returns {boolean} - True if the string contains recognized date and time information, false otherwise.
 */
export declare const isRecognizedDateTimeInfo: (str: string) => boolean;
/**
 * Determines if a given string is a rejected topic.
 * @param str - The string to check.
 * @returns {boolean} - True if the string is a rejected topic, false otherwise.
 */
export declare const isRejectedDateTimeInfo: (str: string) => boolean;