import { EncryptionMethod } from "applesauce-core/helpers/encrypted-content";
import { KnownEvent, NostrEvent } from "applesauce-core/helpers/event";
import { HiddenContentSigner, UnlockedHiddenContent } from "applesauce-core/helpers/hidden-content";
import { WalletConnectEncryptionMethod } from "./encryption.js";
import { TWalletMethod } from "./methods.js";
export declare const WALLET_REQUEST_KIND = 23194;
export type WalletRequestEvent = KnownEvent<typeof WALLET_REQUEST_KIND>;
/** A symbol used to cache the wallet request on the event */
export declare const WalletRequestSymbol: unique symbol;
/** Type for events with unlocked hidden content */
export type UnlockedWalletRequest<Method extends TWalletMethod = TWalletMethod> = UnlockedHiddenContent & {
    [WalletRequestSymbol]: Method["request"];
};
/** Checks if a kind 23194 event is locked */
export declare function isWalletRequestUnlocked<Method extends TWalletMethod = TWalletMethod>(request: any): request is UnlockedWalletRequest<Method>;
/** Unlocks a kind 23194 event */
export declare function unlockWalletRequest<Method extends TWalletMethod = TWalletMethod>(request: NostrEvent, signer: HiddenContentSigner, override?: EncryptionMethod): Promise<Method["request"] | undefined>;
/** Gets the wallet request from a kind 23194 event */
export declare function getWalletRequest<Method extends TWalletMethod = TWalletMethod>(request: NostrEvent): Method["request"] | undefined;
/** Returns the wallet service pubkey from a request */
export declare function getWalletRequestServicePubkey(request: WalletRequestEvent): string;
export declare function getWalletRequestServicePubkey(request: NostrEvent): string | undefined;
/** Returns the expiration timestamp from a request */
export declare function getWalletRequestExpiration(request: NostrEvent): number | undefined;
/** Checks if a request has expired */
export declare function isWalletRequestExpired(request: NostrEvent): boolean;
/** Gets the encryption method used for a request */
export declare function getWalletRequestEncryption(request: NostrEvent): WalletConnectEncryptionMethod;
/** Checks if an event is a valid wallet request event */
export declare function isValidWalletRequest(request: NostrEvent): request is WalletRequestEvent;