/**
 * Reference Field Definitions
 *
 * Defines which fields contain references for each FHIR resource type.
 * Extracted from reference-validator.ts to comply with global.mdc guidelines.
 */
import type { ReferenceFieldDefinition, ReferenceFieldMap } from './reference-types';
export declare function initializeReferenceFields(): ReferenceFieldMap;
/**
 * Get reference fields for a resource type
 */
export declare function getReferenceFields(resourceType: string): ReferenceFieldDefinition[];
/**
 * Check if a field is a reference field for a given resource type
 */
export declare function isReferenceField(resourceType: string, fieldPath: string): boolean;
/**
 * Get target types for a reference field
 */
export declare function getTargetTypes(resourceType: string, fieldPath: string): string[] | undefined;
/**
 * Check if a reference field is required
 */
export declare function isRequiredReference(resourceType: string, fieldPath: string): boolean;
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