import type { AuthorizeOptions, TokenOptions, TokenResponse, LogoutOptions } from "./types";
export declare class IdentityProviderClient {
    private readonly baseUrl;
    private readonly clientId;
    private readonly cleanupDelayMs;
    private readonly codeVerifierKey;
    private readonly stateKey;
    private readonly nonceKey;
    constructor(baseUrl: string, clientId: string, cleanupDelayMs?: number);
    /**
     * Initiates the authorization process by redirecting the user to the authorization server.
     * @param options The authorization options.
     * @returns A promise that resolves when the authorization process is initiated.
     * */
    authorize(options?: AuthorizeOptions): Promise<void>;
    /**
     * Initiates the silent authorization process by creating an invisible iframe.
     * @param options The authorization options.
     * @returns A promise that resolves to the authorization code.
     * */
    silentAuthorize(options?: AuthorizeOptions): Promise<string>;
    /**
     * Checks if the state returned from the authorization server matches the stored state
     * @param state The state returned from the authorization server
     * @returns True if the state is valid, false otherwise
     * */
    isValidState(state: string): boolean;
    /**
     * Logs out the user by redirecting to the identity provider's logout endpoint
     * @param options The logout options.
     * */
    logout(options?: LogoutOptions): void;
    /**
     * Exchanges the authorization code or refresh token for new tokens
     * @param options The token exchange options.
     * @returns A promise that resolves to the token response.
     * */
    token(options?: TokenOptions): Promise<TokenResponse>;
}