import type { SignPaymentPayload } from './types.js';
export declare class UnifiedIPCClient {
    private socketPath;
    private socket;
    private requestCounter;
    private pendingRequests;
    constructor(socketPath?: string);
    isAvailable(): boolean;
    connect(): Promise<void>;
    disconnect(): void;
    private request;
    ping(): Promise<{
        wallet: string | null;
        exchanges: string[];
    }>;
    listExchanges(): Promise<string[]>;
    getCredentials(exchange: string): Promise<{
        apiKey: string;
        secret: string;
        passphrase?: string;
    } | null>;
    signPayment(payload: SignPaymentPayload): Promise<{
        signature: string;
        authorization: {
            from: string;
            to: string;
            value: string;
            validAfter: string;
            validBefore: string;
            nonce: string;
        };
    }>;
}
//# sourceMappingURL=client.d.ts.map