/**
 * HTTP client for signed envelopes (DEC-076), the send side of slice 3b.
 *
 * Signs an envelope (DEC-073) and POSTs it to a remote h2a endpoint. The
 * transport only moves bytes — provenance and freshness are carried in the
 * envelope itself and verified by the receiver (DEC-075).
 */
import { type H2AEnvelope } from "@sentropic/h2a";
export interface SendRemoteOptions {
    /** Signer instance id recorded in the signature's `by`. */
    by: string;
    /** Signer's ed25519 private-key PEM. */
    privateKeyPem: string;
    /** Optional fetch override (tests / custom agents). Defaults to global fetch. */
    fetchImpl?: typeof fetch;
}
export interface SendRemoteResult {
    status: number;
    body: unknown;
}
/**
 * Sign `envelope` and POST it as JSON to `url`. Returns the HTTP status and the
 * parsed JSON body (or undefined if the response was not JSON). Network errors
 * propagate to the caller.
 */
export declare function sendRemoteEnvelope(url: string, envelope: H2AEnvelope, options: SendRemoteOptions): Promise<SendRemoteResult>;
//# sourceMappingURL=client.d.ts.map