import { Relation } from "./types.js";
import { PrefixIndexDefinition, PrefixIndexDepth } from "./utils/typs.js";
/**
 * User-defined index configuration for a source.
 */
type IndexDefinition = Record<string, {
    indexDepth?: PrefixIndexDepth;
}>;
/**
 * Input needed to build index config for a source.
 */
export interface IndexConfigInput {
    index?: IndexDefinition;
    customIndex?: IndexDefinition;
    relations?: Record<string, Relation>;
}
/**
 * Builds index configurations for sources.
 *
 * Extracted from SourceConfigResolver to separate the concern of
 * index directory/depth resolution from source configuration resolution.
 */
export declare class IndexConfigFactory {
    /**
     * Builds the full index definition for a source, including:
     * - Default slug index
     * - User-defined field indexes
     * - Relation-derived indexes (auto-generated from foreign keys)
     * - Custom indexes
     */
    buildForSource(sourceName: string, source: IndexConfigInput, allSources: Record<string, IndexConfigInput>): PrefixIndexDefinition;
    /**
     * Collects relation entries relevant to a source (both own and referencing).
     */
    private collectRelationalSources;
    /**
     * Determines which fields need auto-generated indexes for a relation.
     */
    private getRelationIndexFields;
    private isDepthInRange;
}
export {};