import type { HttpContext } from '@adonisjs/core/http';
import type { HttpClient } from '@poppinss/oauth-client';
import type { GoogleToken, GoogleScopes, GoogleDriverConfig, ApiRequestContract, RedirectRequestContract } from '../types.ts';
import { Oauth2Driver } from '../abstract_drivers/oauth2.ts';
/**
 * Google OAuth2 driver for authenticating users via Google.
 * Supports fetching user profile information including name, email, and profile picture.
 * Automatically prefixes scopes with the appropriate Google API URL.
 *
 * @example
 * ```ts
 * router.get('/google/redirect', ({ ally }) => {
 *   return ally.use('google').redirect((request) => {
 *     request.scopes(['userinfo.email', 'userinfo.profile', 'calendar.readonly'])
 *   })
 * })
 *
 * router.get('/google/callback', async ({ ally }) => {
 *   const google = ally.use('google')
 *
 *   if (google.accessDenied()) {
 *     return 'Access was denied'
 *   }
 *
 *   if (google.stateMisMatch()) {
 *     return 'State mismatch error'
 *   }
 *
 *   if (google.hasError()) {
 *     return google.getError()
 *   }
 *
 *   const user = await google.user()
 *   return user
 * })
 * ```
 */
export declare class GoogleDriver extends Oauth2Driver<GoogleToken, GoogleScopes> {
    config: GoogleDriverConfig;
    /**
     * Google token endpoint URL.
     */
    protected accessTokenUrl: string;
    /**
     * Google authorization endpoint URL.
     */
    protected authorizeUrl: string;
    /**
     * Google user profile endpoint URL.
     */
    protected userInfoUrl: string;
    /**
     * The param name for the authorization code
     */
    protected codeParamName: string;
    /**
     * The param name for the error
     */
    protected errorParamName: string;
    /**
     * Cookie name for storing the "google_oauth_state"
     */
    protected stateCookieName: string;
    /**
     * Parameter name to be used for sending and receiving the state
     * from google
     */
    protected stateParamName: string;
    /**
     * Parameter name for defining the scopes
     */
    protected scopeParamName: string;
    /**
     * Scopes separator
     */
    protected scopesSeparator: string;
    /**
     * @param ctx - The HTTP context
     * @param config - Configuration for the Google driver
     */
    constructor(ctx: HttpContext, config: GoogleDriverConfig);
    /**
     * Configures the redirect request with default scopes and Google-specific
     * parameters like access_type, prompt, display, and hosted domain.
     *
     * @param request - The redirect request to configure
     */
    protected configureRedirectRequest(request: RedirectRequestContract<GoogleScopes>): void;
    /**
     * Creates an authenticated HTTP request with the proper authorization
     * header for Google API calls.
     *
     * @param url - The API endpoint URL
     * @param token - The access token
     */
    protected getAuthenticatedRequest(url: string, token: string): HttpClient;
    /**
     * Fetches the authenticated user's profile information from the Google API.
     *
     * @param token - The access token
     * @param callback - Optional callback to customize the API request
     */
    protected getUserInfo(token: string, callback?: (request: ApiRequestContract) => void): Promise<{
        id: any;
        nickName: any;
        name: any;
        email: any;
        avatarUrl: any;
        emailVerificationState: "verified" | "unverified";
        original: any;
    }>;
    /**
     * Check if the error from the callback indicates that the user
     * denied authorization.
     */
    accessDenied(): boolean;
    /**
     * Get the access token using the authorization code from the callback request.
     * Returns a GoogleToken that includes the ID token.
     *
     * @param callback - Optional callback to customize the API request
     */
    accessToken(callback?: (request: ApiRequestContract) => void): Promise<GoogleToken>;
    /**
     * Get the authenticated user's profile information using
     * the authorization code from the callback request.
     *
     * @param callback - Optional callback to customize the API request
     *
     * @example
     * ```ts
     * const user = await ally.use('google').user()
     * console.log(user.name, user.email)
     * ```
     */
    user(callback?: (request: ApiRequestContract) => void): Promise<{
        token: GoogleToken;
        id: any;
        nickName: any;
        name: any;
        email: any;
        avatarUrl: any;
        emailVerificationState: "verified" | "unverified";
        original: any;
    }>;
    /**
     * Get the user's profile information using an existing
     * access token.
     *
     * @param token - The Google access token
     * @param callback - Optional callback to customize the API request
     *
     * @example
     * ```ts
     * const user = await ally.use('google').userFromToken(accessToken)
     * ```
     */
    userFromToken(token: string, callback?: (request: ApiRequestContract) => void): Promise<{
        token: {
            token: string;
            type: "bearer";
        };
        id: any;
        nickName: any;
        name: any;
        email: any;
        avatarUrl: any;
        emailVerificationState: "verified" | "unverified";
        original: any;
    }>;
    /**
     * Prefixes Google scopes with the appropriate API URL.
     * Converts short scope names like 'userinfo.email' to full URLs.
     *
     * @param scopes - Array of scope names to prefix
     */
    buildScopes(scopes: string[]): string[];
}