import type http from "node:http";
import type { OAuthLandingPage } from "./loopback-authorization.js";
export interface OAuthClientConfig {
    clientId: string;
    authorizationEndpoint?: string;
    tokenEndpoint?: string;
    landingPage?: OAuthLandingPage;
    openBrowser?: (url: string) => Promise<void>;
    readLine?: () => Promise<string>;
    createServer?: () => http.Server;
    fetch?: typeof globalThis.fetch;
}
export interface OAuthResult {
    apiKey: string;
    expiresIn: number | null;
}
export interface OAuthAuthorization {
    authorizationUrl: string;
    waitForResult: () => Promise<OAuthResult>;
}
export interface OAuthClient {
    authorize(): Promise<OAuthAuthorization>;
}
export interface CreateOAuthAuthorizationUrlOptions {
    clientId: string;
    redirectUri: string;
    state: string;
    codeChallenge: string;
    authorizationEndpoint?: string;
}
export interface ExchangeOAuthCodeOptions {
    clientId: string;
    redirectUri: string;
    code: string;
    codeVerifier: string;
    tokenEndpoint?: string;
    fetch?: typeof globalThis.fetch;
}
export declare function createOAuthClient(config: OAuthClientConfig): OAuthClient;
export declare function createOAuthAuthorizationUrl(options: CreateOAuthAuthorizationUrlOptions): string;
export declare function exchangeOAuthCode(options: ExchangeOAuthCodeOptions): Promise<OAuthResult>;