import type { Filter } from "./Filters.js";
import type { TrustedEvent, SignedEvent } from "./Events.js";
export declare const toMsats: (sats: number) => number;
export declare const fromMsats: (msats: number) => number;
export declare const hrpToMillisat: (hrpString: string) => bigint;
export declare const getInvoiceAmount: (bolt11: string) => number;
export declare const getLnUrl: (address: string) => string | undefined;
export type Zapper = {
    lnurl: string;
    pubkey?: string;
    callback?: string;
    minSendable?: number;
    maxSendable?: number;
    nostrPubkey?: string;
    allowsNostr?: boolean;
};
export type Zap = {
    request: TrustedEvent;
    response: TrustedEvent;
    invoiceAmount: number;
};
export declare const zapFromEvent: (response: TrustedEvent, zapper: Zapper | undefined) => Zap | undefined;
export type ZapRequestParams = {
    msats: number;
    zapper: Zapper;
    pubkey: string;
    relays: string[];
    content?: string;
    eventId?: string;
    anonymous?: boolean;
};
export declare const makeZapRequest: ({ msats, zapper, pubkey, relays, content, eventId, anonymous, }: ZapRequestParams) => {
    kind: number;
    content: string;
    tags: string[][];
    created_at: number;
};
export type RequestInvoiceParams = {
    zapper: Zapper;
    event: SignedEvent;
};
export declare const requestZap: ({ zapper, event }: RequestInvoiceParams) => Promise<{
    invoice: any;
    error?: undefined;
} | {
    error: any;
    invoice?: undefined;
}>;
export type ZapResponseFilterParams = {
    zapper: Zapper;
    pubkey: string;
    eventId?: string;
};
export declare const getZapResponseFilter: ({ zapper, pubkey, eventId }: ZapResponseFilterParams) => Filter;
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