import { GetAccessTokenResponse } from '../../internal-common/src/public-types/external-auth/external-auth.public-types';
/**
 * Client for managing authentication tokens for external integrations.
 *
 * Provides methods for saving and retrieving auth tokens for external services.
 * @category ExternalAuth
 */
export declare class ExternalAuthClient {
    private readonly integrationId;
    private readonly rpcManager;
    /**
     * Takes an auth token, potentially exchanges the auth token with an external api depending on the external auth,
     * and stores the result in Squid's secure storage.
     *
     * This function requires Squid to be initialized with an API key
     *
     * @param authCode - The authorization code obtained from the auth provider's callback.
     * @param identifier - A user-specific identifier (usually a user ID) to associate with the tokens.
     *                     This allows multiple users to connect their own accounts to the same integration.
     * @returns A promise that resolves with the access token and its expiration time.
     */
    saveAuthCode(authCode: string, identifier: string): Promise<GetAccessTokenResponse>;
    /**
     * Retrieves a valid access token for the integration.
     * Automatically refreshes the token if it has expired or is about to expire.
     *
     * This function requires Squid to be initialized with an API key
     *
     * @param identifier - The user-specific identifier that was used when saving the auth code.
     * @returns A promise that resolves with a valid access token and its expiration time.
     *
     * @throws Error if no tokens are found for the given integration and identifier.
     *         The user must first complete the auth flow by calling `saveAuthCode()`.
     */
    getAccessToken(identifier: string): Promise<GetAccessTokenResponse>;
}