import { OAuthProvider, OAuthTokens, OAuthProfile, AuthorizationUrlParams, TokenExchangeParams, ProviderConfig } from "./OAuthProvider";
import { OAuthProviderBase } from "./OAuthProviderBase";
/**
 * GitHub OAuth 2.0 provider implementation
 *
 * Implements OAuth flow for GitHub:
 * - Authorization URL: https://github.com/login/oauth/authorize
 * - Token exchange: POST https://github.com/login/oauth/access_token
 * - User profile: GET https://api.github.com/user
 *
 * Default scopes: ['user:email']
 */
export declare class GitHubProvider extends OAuthProviderBase implements OAuthProvider {
    readonly name = "github";
    private static readonly AUTHORIZATION_URL;
    private static readonly TOKEN_URL;
    private static readonly USER_PROFILE_URL;
    private static readonly DEFAULT_SCOPES;
    constructor(config: ProviderConfig);
    /**
     * Generate GitHub authorization URL
     */
    getAuthorizationUrl(params: AuthorizationUrlParams): string;
    /**
     * Exchange authorization code for access token
     */
    exchangeCodeForToken(params: TokenExchangeParams): Promise<OAuthTokens>;
    /**
     * Fetch user profile from GitHub
     */
    getUserProfile(accessToken: string): Promise<OAuthProfile>;
}