/**
 * OAuth2 Provider - GitHub
 *
 * Handles GitHub OAuth2 flow for user authentication
 */
export interface GitHubOAuthConfig {
    clientId: string;
    clientSecret: string;
    redirectUri: string;
}
export interface GitHubUser {
    id: number;
    login: string;
    email: string;
    name: string;
    avatar_url: string;
}
export interface GitHubTokenResponse {
    access_token: string;
    token_type: string;
    scope: string;
}
/**
 * Generate GitHub authorization URL
 */
export declare function getGitHubAuthorizationUrl(config: GitHubOAuthConfig, state: string): string;
/**
 * Exchange authorization code for access token
 */
export declare function exchangeGitHubCode(config: GitHubOAuthConfig, code: string): Promise<GitHubTokenResponse>;
/**
 * Fetch GitHub user profile
 */
export declare function getGitHubUser(accessToken: string): Promise<GitHubUser>;