/**
 * An abstract class for AuthProvider APIs.
 * Examples of AuthProvider APIs are: google, microsoft, mail.
 */
import { LocalStorageAuthObject } from "../types/other";
declare abstract class AuthProvider {
    static access_token: string | null;
    static id_token: string | null;
    static refresh_token: string | null;
    static expiry_date: number | null;
    static SESSION_LOCAL_STORAGE_KEY: string;
    /**
     * Login to the API.
     */
    abstract login(email?: string, pw?: string): Promise<boolean>;
    /**
     * Logout from the API.
     */
    abstract logout(): Promise<boolean>;
    /**
     * Check if a session exists.
     */
    abstract checkSessionExists(): Promise<boolean>;
    /**
     * Gets the user profile after connection.
     */
    abstract getUserProfileAfterConnection(): Promise<any>;
    /**
     * Clears the session
     */
    abstract clearSession(): void;
    /**
     * Gets auth object from local storage
     */
    abstract getAuthObjectFromLocalStorage(): LocalStorageAuthObject | null;
}
export default AuthProvider;