import type { SignatureKeyJwt, SignatureKeyJktJwt, SignatureKeyHwk, CapturedSent } from './types.js';
import type { SentRequest } from '@hellocoop/httpsig';
export declare function summarizeResponseHeaders(headers: Headers): Record<string, string>;
/**
 * Extract the JWT string from a SignatureKey, if present. Returns undefined
 * for hardware-wrapped keys (no transmitted JWT).
 */
export declare function jwtFromSignatureKey(sk: SignatureKeyJwt | SignatureKeyJktJwt | SignatureKeyHwk): string | undefined;
/**
 * Decode the agent token carried by a SignatureKey, if any. Returns undefined
 * for hwk (no JWT) or malformed tokens.
 */
export declare function decodeSignatureKey(sk: SignatureKeyJwt | SignatureKeyJktJwt | SignatureKeyHwk): Record<string, unknown> | undefined;
/**
 * Convert @hellocoop/httpsig's SentRequest (Headers object) to a plain
 * Record-based CapturedSent suitable for inclusion in --log events and
 * JSON serialisation.
 */
export declare function captureSentFromHttpsig(sent: SentRequest): CapturedSent;
/**
 * Read a Response's body as text without consuming it for downstream
 * consumers. Uses Response.clone() so the caller can still read body
 * afterwards. Returns undefined if the body can't be read as text.
 */
export declare function peekResponseBody(response: Response): Promise<string | undefined>;
//# sourceMappingURL=log-helpers.d.ts.map