import { PostalCode } from '../../domain/models/PostalCode.js';
import { SearchableRepository, PostalCodeFilter } from '../../domain/repositories/PostalCodeRepository.js';
import { DataProvider } from '../../domain/repositories/DataProvider.js';
import { SearchStrategy } from '../../domain/services/SearchStrategy.js';
/**
 * Configuration for the TsPostalCodeRepository.
 */
export interface TsRepoConfig {
    /**
     * If true, enables fuzzy search mode using Fuse.js.
     * @default false
     */
    useFuzzy?: boolean;
    /**
     * The threshold for fuzzy search sensitivity (0.0 to 1.0).
     * Lower values are more strict.
     * @default 0.4
     */
    fuzzyThreshold?: number;
    /**
     * Optional custom data provider. Defaults to internal TsDataProvider.
     */
    dataProvider?: DataProvider;
    /**
     * Optional custom search strategy. Defaults to InvertedIndexStrategy.
     */
    searchStrategy?: SearchStrategy;
}
/**
 * Implementation of SearchableRepository.
 * Optimized with Flyweight pattern, dynamic imports, and secondary indexing.
 */
export declare class TsPostalCodeRepository implements SearchableRepository {
    private allData;
    private allLoadPromise;
    private postalCodeIndex;
    private readonly useFuzzy;
    private readonly fuzzyThreshold;
    private readonly dataProvider;
    private searchStrategy;
    constructor(config?: TsRepoConfig);
    /**
     * Internal helper to build an index for postal codes.
     */
    private buildIndex;
    /**
     * Internal helper to load data for a specific province.
     */
    private loadProvince;
    /**
     * Internal helper to load all data.
     */
    private ensureAllLoaded;
    /**
     * Internal helper to ensure search strategy is initialized.
     */
    private ensureSearchStrategy;
    /**
     * Search for postal codes matching multiple keywords.
     */
    findByKeywords(keywords: string[], provinceCode?: string): Promise<PostalCode[]>;
    /**
     * Search for postal codes matching a specific code.
     * Optimized with secondary index for postal codes.
     */
    findByCode(code: string, provinceCode?: string): Promise<PostalCode[]>;
    /**
     * Search for postal codes matching the given structured filter.
     */
    findByFilter(filter: PostalCodeFilter, provinceCode?: string): Promise<PostalCode[]>;
    /**
     * Clear the memory cache.
     */
    clearMemory(): void;
}
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