import { Awaitable, User } from "next-auth";
import { CredentialsConfig } from "next-auth/providers/credentials";
export type HederaNetworkType = 'mainnet' | 'testnet' | 'previewnet';
export interface HashpackCredentialInputData {
    signedPayload?: Uint8Array;
    userSignature?: Uint8Array;
    accountId?: string;
    network?: HederaNetworkType;
}
export interface IGetUserPublicKey {
    accountId: string;
    network: HederaNetworkType;
}
export interface ICheckOriginalData {
    accountId: string;
    network: HederaNetworkType;
    originalData: any;
}
export interface networkRelatedObject {
    testnet: string;
    mainnet: string;
    previewnet?: string;
}
export interface HashpackOptions {
    userReturnCallback: (credentials: HashpackCredentialInputData, userPublicKey?: string) => Awaitable<User | null>;
    privateKey: string | networkRelatedObject | ((network: HederaNetworkType) => string);
    mirrorNodeAccountInfoURL?: networkRelatedObject;
    getUserPublicKey?: (({ accountId, network }: IGetUserPublicKey) => string | Promise<string>) | null;
    checkOriginalData?: ({ accountId, network, originalData }: ICheckOriginalData) => boolean | Promise<boolean>;
    debug?: boolean;
}
export type hashpackCredentialInputs = {
    signedPayload: {
        label: string;
        type: string;
    };
    userSignature: {
        label: string;
        type: string;
    };
    accountId: {
        label: string;
        type: string;
    };
    network: {
        label: string;
        type: string;
    };
};
/**
 * config the credential to be used with hashpack wallet
 *
 * @param userReturnCallback a callback that return verified user
 * @param privateKey Server's Hedera account private key, can be an object of privatekey strings for each networks
 * @param mirrorNodeAccountInfoURL  the mirror node api route for  fetching account's info
 * @param getUserPublicKey replace the fetching client user's public key mechanism
 * @param checkOriginalData check the original data
 */
export declare const hashpackProvider: ({ userReturnCallback, privateKey, mirrorNodeAccountInfoURL, getUserPublicKey, checkOriginalData, debug }: HashpackOptions) => CredentialsConfig<hashpackCredentialInputs>;
export declare const debugging: (active: boolean, ...rest: any[]) => void;
export declare function isValidHederaAccount(accountId: string): boolean;
export declare const truncatePrivateKey: (privateKey: string) => string | false;