import { type Locale } from './locale.js';
export interface AuthenticationResult {
    email: string;
    method: 'password' | 'browser' | 'api-key' | 'existing';
}
type Fetcher = typeof fetch;
export declare function authenticateWithPassword(email: string, password: string, requestMfa: () => Promise<string>, home: string, fetcher?: Fetcher): Promise<AuthenticationResult>;
export declare function authenticateWithApiKey(apiKey: string, home: string, fetcher?: Fetcher): Promise<AuthenticationResult>;
export declare function validateExistingAuthentication(home: string, fetcher?: Fetcher): Promise<AuthenticationResult | null>;
export declare function openVaultBrowser(url: string): Promise<void>;
export declare function authenticateWithBrowser(home: string, options?: {
    locale?: Locale;
    callbackHtml?: string;
    signal?: AbortSignal;
    fetcher?: Fetcher;
    openBrowser?: (url: string) => Promise<void>;
    timeoutMs?: number;
    report?: (message: string) => void;
}): Promise<AuthenticationResult>;
export {};