import { SourceConfigResolver as Resolver } from "./SourceConfigResolver.js";
import { SourceRecord, DiffEntry } from "./types.js";
import { StorageRepository } from "./repository/StorageRepository.js";
import { SourceLoader } from "./SourceLoader";
import { LoggerProvider } from "./logger/LoggerProvider";
import { IIndexReader } from "./IIndexReader.js";
export type { DiffEntry, DirectRelationMap, ThroughRelationMap } from "./types.js";
/**
 * IndexBuilder: handles full and incremental index building.
 */
export declare class IndexBuilder {
    private readonly sourceLoader;
    private readonly repository;
    private readonly resolver;
    private readonly logger;
    private readonly reader;
    private customIndexers;
    constructor(sourceLoader: SourceLoader<SourceRecord>, repository: StorageRepository, resolver: Resolver, logger: LoggerProvider, reader: IIndexReader, customIndexers?: Record<string, (value: any, record?: SourceRecord) => any>);
    /**
     * Saves indexes and slug lists for all sources.
     *
     * @throws Error if writing to storage fails.
     */
    save(): Promise<void>;
    /**
     * Incrementally updates affected indexes based on diff entries.
     *
     * @param diffEntries - List of file change entries.
     */
    updateIndexesForFiles(diffEntries: DiffEntry[]): Promise<string[]>;
    /**
     * Builds indexable records for a single source (with joined relations).
     */
    private buildRecords;
    /**
     * Organize the prefix directory paths for each index file location from resolved records.
     */
    private getPrefixIndexPathByResolvedRecords;
    /**
     * Organize the map of search keys for the PrefixIndexLine.
     */
    private createIndexLines;
    /**
     * Get converted PrefixIndex paths.
     */
    private collectPrefixDirs;
    /**
     * Get incremental index entry status.
     */
    private getStatus;
    /**
     * Extract index field from SourceRecord.
     */
    private extractIndexField;
}