export interface GitLabOAuthTokens {
    access_token: string;
    token_type: string;
    expires_in?: number;
    refresh_token: string;
    created_at: number;
}
export interface GitLabOAuthConfig {
    applicationId: string;
    secret: string;
    gitlabUrl?: string;
}
/**
 * Helper class for GitLab OAuth operations
 */
export declare class GitLabOAuth {
    private applicationId;
    private secret;
    private gitlabUrl;
    constructor(config: GitLabOAuthConfig);
    /**
     * Generate GitLab OAuth authorization URL
     */
    getAuthUrl(redirectUri: string, scopes?: string[]): string;
    /**
     * Exchange authorization code for access token
     */
    getTokenFromCode(code: string, redirectUri: string): Promise<GitLabOAuthTokens>;
    /**
     * Refresh an expired access token
     */
    refreshToken(refreshToken: string): Promise<GitLabOAuthTokens>;
}
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