import type { CodecType, PaymentBalanceErr, Subscription, Transport } from '@novasamatech/host-api';
export type PaymentBalance = {
    available: bigint;
};
export type PaymentStatus = {
    type: 'processing';
} | {
    type: 'completed';
} | {
    type: 'failed';
    reason: string;
};
export type TopUpSource = {
    type: 'productAccount';
    derivationIndex: number;
} | {
    type: 'privateKey';
    key: Uint8Array;
};
export declare const createPaymentManager: (transport?: Transport) => {
    subscribeBalance(callback: (balance: PaymentBalance) => void): Subscription<CodecType<typeof PaymentBalanceErr>>;
    topUp(amount: bigint, source: TopUpSource): Promise<void>;
    requestPayment(amount: bigint, destination: Uint8Array): Promise<{
        id: string;
    }>;
    subscribePaymentStatus(id: string, callback: (status: PaymentStatus) => void): Subscription;
};
export declare const paymentManager: {
    subscribeBalance(callback: (balance: PaymentBalance) => void): Subscription<CodecType<typeof PaymentBalanceErr>>;
    topUp(amount: bigint, source: TopUpSource): Promise<void>;
    requestPayment(amount: bigint, destination: Uint8Array): Promise<{
        id: string;
    }>;
    subscribePaymentStatus(id: string, callback: (status: PaymentStatus) => void): Subscription;
};