import { type AxiosInstance } from 'axios';
export interface BatchCheckConfig {
    /** Maximum concurrent requests (default: 5) */
    maxConcurrent?: number;
    /** Timeout per request in milliseconds (default: 5000) */
    timeoutMs?: number;
    /** Base URL for FHIR server */
    baseUrl?: string;
    /** Whether to use caching (default: true) */
    enableCache?: boolean;
    /** Cache TTL in milliseconds (default: 300000 = 5 minutes) */
    cacheTtlMs?: number;
    /** Custom headers for requests */
    headers?: Record<string, string>;
    /** Whether to follow redirects (default: true) */
    followRedirects?: boolean;
    /** Whether absolute references may call arbitrary external hosts (default: false). */
    allowExternalAbsoluteReferences?: boolean;
    /** Whether absolute references may call the configured FHIR server origin (default: true). */
    allowSameOriginAbsoluteReferences?: boolean;
}
export type ResolvedBatchCheckConfig = Required<BatchCheckConfig>;
export declare function resolveBatchCheckConfig(config?: Partial<BatchCheckConfig>): ResolvedBatchCheckConfig;
export declare function createReferenceHttpClient(config: ResolvedBatchCheckConfig): AxiosInstance;
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