import { IItem } from '../../types';
import { MatchResult } from './helpers';
/**
 * Sets additional matching patterns for topics.
 * The additional matching patterns and rejected patterns are not included in the TitleSummaryMatchingPatterns
 * but fetched from the media folder from the Living Atlas server.
 *
 * @param {string[]} extraMatchingPatterns - Additional matching patterns to be set.
 * @param {string[]} extraRejectedPatterns - Additional rejected patterns to be set.
 * @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 setExtraMatchingPatternsForTopics: (extraMatchingPatterns: string[], extraRejectedPatterns: string[], shouldAvoidUsingWordBoundary?: boolean) => void;
/**
 * Matches topic information from an item's title and snippet using predefined or custom matching patterns.
 *
 * @param {IItem} item - The item containing the title and snippet to be matched.
 * @param {string[]} [customMatchingPattenrs] - Optional custom matching patterns to be used in addition to the predefined ones.
 * @returns {MatchResult[]} - An array of matched results for topic, deduplicated and with overlaps removed.
 */
export declare const matchTopicInfo: (item: IItem, customMatchingPattenrs?: string[]) => MatchResult[];
/**
 * Determines if a given string is a recognized topic.
 * @param topic - The string to check.
 * @returns {boolean} - True if the string is a recognized topic, false otherwise.
 */
export declare const isRecognizedTopic: (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 isRejectedTopicInfo: (str: string) => boolean;