import type { EndpointsList } from '../endpoints';
import type { EnrichedHeadersOptions, HeaderValidationResult, ApiHeaders, RequestContext } from '@plyaz/types/api';
/**
 * Preset options for enriched header collection
 */
export declare const enrichedHeaderPresets: Record<string, Partial<EnrichedHeadersOptions>>;
export declare function buildEnrichedHeaders(context?: RequestContext<EndpointsList>, options?: EnrichedHeadersOptions): Promise<ApiHeaders>;
/**
 * Validate enriched headers format and values for security
 * Internal function used during header building
 */
export declare function validateHeaders(headers: ApiHeaders): HeaderValidationResult;
/**
 * Sanitize header values for safe transmission
 * Removes dangerous characters while preserving valid header content
 */
export declare function sanitizeHeaderValue(value: string): string;
//# sourceMappingURL=enriched.d.ts.map