import type { RevealCollectionConfig, RevealGlobalConfig, RevealUIField } from '../types/index.js';
import type { RelationshipMetadata } from '../types/query.js';
/**
 * Relationship Field Analyzer
 *
 * Analyzes a collection config and extracts all relationship fields with their metadata.
 * This is the foundation for depth-based relationship population.
 *
 * Based on RevealUI admin analysis:
 * - Simple relationships (single, no hasMany): Direct Foreign Keys
 * - hasMany relationships: Junction Tables
 * - Polymorphic relationships (relationTo array): Junction Tables with multiple FK columns
 */
/**
 * Shared type for configs that have fields and slug (collections and globals)
 */
type ConfigWithFields = {
    slug: string;
    fields: RevealUIField[];
};
/**
 * Analyzes a collection or global configuration and extracts all relationship fields
 * with their storage metadata for proper query building.
 *
 * @param config - The collection or global configuration to analyze
 * @param collectionSlug - Optional slug override (defaults to config.slug)
 * @returns Array of relationship metadata for all relationship fields
 */
export declare function getRelationshipFields(config: RevealCollectionConfig | RevealGlobalConfig | ConfigWithFields, collectionSlug?: string): RelationshipMetadata[];
/**
 * Validates relationship metadata for consistency and correctness.
 * Used during development to catch configuration errors early.
 */
export declare function validateRelationshipMetadata(metadata: RelationshipMetadata[]): {
    valid: boolean;
    errors: string[];
};
export {};
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