import type { KasaCredentials } from "./types.js";
export interface KlapTransportOptions {
    host: string;
    port?: number;
    credentials?: KasaCredentials;
    timeout?: number;
}
/**
 * KLAP v2 transport for TP-Link Kasa devices.
 *
 * Communicates over HTTP on port 80 using the KLAP v2 handshake and
 * encryption protocol.
 */
export declare class KlapTransport {
    private readonly host;
    private readonly port;
    private readonly credentials;
    private readonly timeout;
    private readonly baseUrl;
    private session;
    private klapKey;
    private klapIv;
    private klapSig;
    constructor(options: KlapTransportOptions);
    /**
     * Perform the two-step KLAP v2 handshake.
     *
     * 1. POST /app/handshake1 with 16-byte local seed
     * 2. Verify remote auth hash
     * 3. POST /app/handshake2 with local auth hash
     * 4. Derive session keys
     * 5. Store session state (cookie, keys, seq)
     */
    handshake(): Promise<void>;
    /**
     * Send a JSON command to the device.
     *
     * Encrypts the payload, sends it as POST /app/request?seq=N, and
     * decrypts the response. Re-handshakes on auth errors (once).
     */
    send(request: object): Promise<object>;
    /** Clear session state. */
    close(): void;
}
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