import { EmailString, IECIESConfig, SecureString } from '@digitaldefiance/ecies-lib';
import { IConstants, IRequestUserDTO } from '@digitaldefiance/suite-core-lib';
import { Wallet } from '@ethereumjs/wallet';
interface ApiErrorResponse {
    message?: string;
    error?: string | {
        message?: string;
        statusCode?: number;
        stack?: string;
    };
    errorType?: string;
    field?: string;
    errors?: Array<{
        path: string;
        msg: string;
    }>;
}
/**
 * Extract a human-readable error string from an API error response.
 * The backend may send `error` as either a plain string or an object
 * with `{ message, statusCode, stack }`.
 */
export declare function extractErrorMessage(errorData: ApiErrorResponse): string | undefined;
export declare class AuthService {
    private constants;
    private baseUrl;
    private readonly siteDomain;
    private eciesService;
    private cryptoCore;
    private apiClient;
    private authenticatedApiClient;
    constructor(constants: IConstants, baseUrl: string, eciesConfig: IECIESConfig, siteDomain: string);
    getSiteDomain(): string;
    register(username: string, email: string, timezone: string, password?: string, mnemonic?: string, displayName?: string, directChallenge?: boolean): Promise<{
        success: boolean;
        message: string;
        mnemonic: string;
    } | {
        error: string;
        errorType?: string;
        field?: string;
        errors?: Array<Record<string, string>>;
    }>;
    directLogin(mnemonic: SecureString, username?: string, email?: EmailString): Promise<{
        token: string;
        user: IRequestUserDTO;
        wallet: Wallet;
        message: string;
    } | {
        pendingTotpToken: string;
    } | {
        error: string;
        errorType?: string;
    }>;
    requestEmailLogin(username?: string, email?: EmailString): Promise<string | {
        error: string;
        errorType?: string;
    }>;
    emailChallengeLogin(mnemonic: SecureString, token: string, username?: string, email?: EmailString): Promise<{
        token: string;
        user: IRequestUserDTO;
        wallet: Wallet;
        message: string;
    } | {
        pendingTotpToken: string;
    } | {
        error: string;
        errorType?: string;
    }>;
    verifyToken(token: string): Promise<IRequestUserDTO | {
        error: string;
        errorType?: string;
    }>;
    refreshToken(): Promise<{
        token: string;
        user: IRequestUserDTO;
    }>;
    changePassword(currentPassword: string, newPassword: string): Promise<{
        success: boolean;
    } | {
        error: string;
        errorType?: string;
    }>;
    backupCodeLogin(identifier: string, code: string, isEmail: boolean, recoverMnemonic: boolean, newPassword?: string): Promise<{
        token: string;
        codeCount: number;
        user?: IRequestUserDTO;
        mnemonic?: string;
        message?: string;
    } | {
        error: string;
        status?: number;
        errorType?: string;
    }>;
    setupTotp(): Promise<{
        provisioningUri: string;
        secret: string;
    } | {
        error: string;
    }>;
    confirmTotp(code: string): Promise<{
        success: boolean;
    } | {
        error: string;
    }>;
    disableTotp(code: string): Promise<{
        success: boolean;
    } | {
        error: string;
    }>;
    resetTotp(code: string): Promise<{
        provisioningUri: string;
        secret: string;
    } | {
        error: string;
    }>;
    verifyTotpLogin(pendingTotpToken: string, code: string): Promise<{
        token: string;
        user: IRequestUserDTO;
    } | {
        error: string;
    }>;
}
export declare const createAuthService: (constants: IConstants, baseUrl: string, eciesConfig: IECIESConfig, siteDomain: string) => AuthService;
export {};
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