export type WalletRequestHandler = (method: string, params: unknown[]) => Promise<unknown>;
export declare class SAManagerPopup {
    private readonly keyManager;
    private readonly walletRequestHandler;
    private parentOrigin;
    private debug;
    private opener;
    private chainId;
    constructor({ chainId, walletRequestHandler, debug, }: {
        chainId: number;
        walletRequestHandler: WalletRequestHandler;
        debug?: boolean;
    });
    updateChainId(chainId: number): void;
    /**
     * Set up message listener for handling communication from parent window
     */
    private setupListener;
    /**
     * Handle handshake messages from parent window
     */
    private handleHandshake;
    /**
     * Handle encrypted requests from parent window (after handshake is complete)
     */
    private handleEncryptedRequest;
    private createEncryptedResponse;
    private sendErrorResponse;
    private notifyParentLoaded;
    private notifyParentUnload;
    /**
     * Set up unload detection to notify parent when popup closes
     */
    private unloadNotified;
    private setupUnloadDetection;
    private log;
    private isValidOrigin;
    private isHandshakeMessage;
    private isEncryptedMessage;
}
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