/**
 * Google Gemini OAuth flow
 *
 * NOTE: This module uses Node.js http.createServer for the OAuth callback server.
 * It is only intended for CLI use, not browser environments.
 */
import type { OAuthCredentials, OAuthPrompt, OAuthProviderInterface } from "./types.js";
export declare function parseAuthorizationInput(input: string): {
    code?: string;
    state?: string;
    apiKey?: string;
};
/**
 * Login with Google Gemini OAuth (authorization code + PKCE)
 */
export declare function loginGemini(options: {
    onAuth: (info: {
        url: string;
        instructions?: string;
    }) => void;
    onPrompt: (prompt: OAuthPrompt) => Promise<string>;
    onProgress?: (message: string) => void;
    onManualCodeInput?: () => Promise<string>;
}): Promise<OAuthCredentials>;
/**
 * Refresh Google Gemini OAuth token
 */
export declare function refreshGeminiToken(refreshToken: string): Promise<OAuthCredentials>;
export declare const geminiOAuthProvider: OAuthProviderInterface;
export declare const googleOAuthProvider: OAuthProviderInterface;
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