import { IItem } from '../../types';
import { MatchResult } from './helpers';
/**
 * Sets extra matching and rejected patterns for locations and updates the corresponding regex and sets.
 *
 * @param extraMatchingPatternsForLocations - An array of strings representing additional patterns to match locations.
 * @param extraRejectedPatternsForLocations - An array of strings representing additional patterns to reject locations.
 * @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 setExtraMatchingPatternsForLocations: (extraMatchingPatternsForLocations?: string[], extraRejectedPatternsForLocations?: string[], shouldAvoidUsingWordBoundary?: boolean) => void;
/**
 * Matches location information from an item's title and snippet using predefined or custom matching patterns.
 *
 * @param {IItem} item - The item containing title and snippet to search for location information.
 * @param {string[]} [customMatchingPattenrs] - Optional custom matching patterns to be included in the search.
 * @returns {string[]} - An array of matched results for location info after deduplication and removing overlaps.
 */
export declare const matchLocationInfo: (item: IItem, customMatchingPattenrs?: string[]) => MatchResult[];
/**
 * Determines if a given string is a recognized location information.
 * @param topic - The string to check.
 * @returns {boolean} - True if the string is a recognized location, false otherwise.
 */
export declare const isRecognizedLocation: (str: string) => boolean;
/**
 * Determines if a given string is a rejected source information.
 * @param str - The string to check.
 * @returns {boolean} - True if the string is a rejected source information, false otherwise.
 */
export declare const isRejectedLocationInfo: (str: string) => boolean;