import type { LTOAuthProviderConfig, LTOAuthUserInfo } from '../../../types/oauth';
export interface OAuthTokens {
    accessToken: string;
    refreshToken: string | null;
    accessTokenExpiresAt: Date | null;
}
export interface ProviderHandler {
    config: LTOAuthProviderConfig;
    createAuthorizationURL(state: string, codeVerifier: string): URL | Promise<URL>;
    validateAuthorizationCode(code: string, codeVerifier: string): Promise<OAuthTokens>;
    refreshAccessToken(refreshToken: string): Promise<OAuthTokens>;
    fetchUserInfo(accessToken: string): Promise<LTOAuthUserInfo>;
}