/**
 * Request header builders for testing API authentication
 *
 * Provides helper functions to build authentication headers
 * for testing API endpoints.
 *
 * @example
 * ```typescript
 * // JWT auth headers
 * const headers = authHeaders(jwt);
 *
 * // Bot auth headers with signature
 * const botHeaders = await authHeadersWithSignature(
 *   'bot-token',
 *   'user-id',
 *   'username'
 * );
 *
 * // Use in requests
 * const response = await fetch('/api/protected', { headers });
 * ```
 */
/**
 * Creates basic auth headers with a bearer token
 *
 * @param token - The bearer token (JWT or API key)
 * @param userId - Optional Discord user ID
 * @param userName - Optional Discord username
 * @returns Headers object
 */
export declare function authHeaders(token: string, userId?: string, userName?: string): Record<string, string>;
/**
 * Creates auth headers with HMAC signature for bot authentication
 *
 * @param token - The bot API token
 * @param userId - Discord user ID (optional)
 * @param userName - Discord username (optional)
 * @param signingSecret - The signing secret (defaults to TEST_SIGNING_SECRET)
 * @returns Headers object with signature
 */
export declare function authHeadersWithSignature(token: string, userId?: string, userName?: string, signingSecret?: string): Promise<Record<string, string>>;
/**
 * Creates JSON content headers
 *
 * @returns Headers object with Content-Type: application/json
 */
export declare function jsonHeaders(): Record<string, string>;
/**
 * Merges multiple header objects
 *
 * @param headerObjects - Header objects to merge
 * @returns Merged headers object
 */
export declare function mergeHeaders(...headerObjects: Record<string, string>[]): Record<string, string>;
/**
 * Creates authenticated JSON request headers
 *
 * @param token - The bearer token
 * @param userId - Optional Discord user ID
 * @param userName - Optional Discord username
 * @returns Headers object with auth and content-type
 */
export declare function authenticatedJsonHeaders(token: string, userId?: string, userName?: string): Record<string, string>;
//# sourceMappingURL=headers.d.ts.map