/**
 * IframeWallet — Wallet proxy that communicates with a web wallet loaded in an iframe.
 *
 * This mirrors {@link ExtensionWallet} from `@aztec/wallet-sdk/extension/provider` but uses
 * `window.postMessage` / `window.addEventListener('message')` instead of MessagePort.
 *
 * The wire protocol (encrypted {@link WalletMessage} / {@link WalletResponse}) is identical.
 */
import type { ChainInfo } from '@aztec/aztec.js/account';
import { type Wallet } from '@aztec/aztec.js/wallet';
import { type DisconnectCallback, type HeartbeatOptions, type WalletSdkLogger } from '../../types.js';
/**
 * A wallet implementation that communicates with a web wallet loaded in an iframe
 * using encrypted postMessage.
 *
 * Uses the same Proxy pattern as {@link ExtensionWallet}: intercepts property access,
 * checks if the property is a Wallet method via {@link WalletSchema}, and routes the
 * call through an encrypted postMessage channel.
 *
 * @example
 * ```typescript
 * const wallet = IframeWallet.create(walletId, sessionId, iframeWindow, walletOrigin, sharedKey, chainInfo, appId);
 * const accounts = await wallet.asWallet().getAccounts();
 * ```
 */
export declare class IframeWallet {
    private chainInfo;
    private appId;
    private walletId;
    private sessionId;
    private iframeWindow;
    private walletOrigin;
    private sharedKey;
    private inFlight;
    private disconnected;
    private disconnectCallbacks;
    private messageListener;
    private heartbeatTimer;
    private lastInboundAt;
    private log;
    private heartbeatIntervalMs;
    private heartbeatDeadAfterMs;
    private constructor();
    /**
     * Creates a proxied IframeWallet that implements the {@link Wallet} interface.
     *
     * All Wallet method calls are intercepted by a Proxy, encrypted with the shared
     * AES-256-GCM key, sent via postMessage, and the response is decrypted and
     * validated against {@link WalletSchema}.
     *
     * @param walletId - Unique identifier of the remote wallet
     * @param sessionId - Session identifier from the key exchange
     * @param iframeWindow - The iframe's contentWindow to post messages to
     * @param walletOrigin - Origin of the wallet iframe (for postMessage targeting)
     * @param sharedKey - AES-256-GCM key derived from ECDH key exchange
     * @param chainInfo - Network information (chainId and version)
     * @param appId - Application identifier for the requesting dApp
     * @param logger - Optional logger; defaults to a no-op logger to keep extension/page bundles small
     * @param heartbeatOptions - Optional override for heartbeat tuning (mostly useful for tests)
     * @returns A proxied IframeWallet — call `.asWallet()` to get the typed `Wallet`
     */
    static create(walletId: string, sessionId: string, iframeWindow: Window, walletOrigin: string, sharedKey: CryptoKey, chainInfo: ChainInfo, appId: string, logger?: WalletSdkLogger, heartbeatOptions?: HeartbeatOptions): IframeWallet;
    /**
     * Returns this wallet as a typed {@link Wallet} interface.
     * When accessed through the Proxy (via `create()`), returns the proxy itself.
     */
    asWallet(): Wallet;
    private handleEncryptedResponse;
    private postMessage;
    /**
     * Start liveness probing while at least one request is in flight. PINGs are
     * unencrypted control messages — older wallet handlers that don't understand
     * them simply drop them, but any inbound traffic (PONG, encrypted response,
     * disconnect notice) resets the idle timer, so a slow-but-alive legacy wallet
     * never trips a false disconnect.
     */
    private startHeartbeat;
    private maybeStopHeartbeat;
    private heartbeatTick;
    private handleDisconnect;
    onDisconnect(callback: DisconnectCallback): () => void;
    isDisconnected(): boolean;
    disconnect(): void;
}
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