export declare const fromHexString: (hexString: string) => Uint8Array<ArrayBuffer>;
type DecodedInvoice = {
    paymentHash: string;
    satoshi: number;
    timestamp: number;
    expiry: number | undefined;
    description: string | undefined;
};
export declare const decodeInvoice: (paymentRequest: string) => DecodedInvoice | null;
export {};