import { AuthError } from '../errors.js';
export declare const DEFAULT_AUTH_PROFILE = "default";
export declare const DEFAULT_CLIENT_METADATA_URL = "https://apify.github.io/mcpc/client-metadata.json";
export declare const MCPC_OAUTH_CALLBACK_PORTS: readonly number[];
export declare const MCPC_OAUTH_CALLBACK_HOSTS: readonly string[];
export interface OAuthTokenResponse {
    access_token: string;
    token_type: string;
    expires_in?: number;
    refresh_token?: string;
    scope?: string;
}
export interface AuthServerMetadata {
    token_endpoint?: string;
    token_endpoint_auth_methods_supported?: string[];
    [key: string]: unknown;
}
export declare function getOAuthServerUrl(urlString: string): string;
export declare function discoverAuthServerMetadata(serverUrl: string): Promise<AuthServerMetadata | undefined>;
export declare function discoverAuthServerViaProtectedResource(serverUrl: string): Promise<AuthServerMetadata | undefined>;
export declare function discoverTokenEndpoint(serverUrl: string): Promise<string | undefined>;
export declare function refreshAccessToken(tokenEndpoint: string, refreshToken: string, clientId: string): Promise<OAuthTokenResponse>;
export declare function discoverAndRefreshToken(serverUrl: string, refreshToken: string, clientId: string): Promise<OAuthTokenResponse>;
export declare function createReauthError(serverUrl: string, profileName: string, message: string): AuthError;
export declare function validateClientMetadataUrl(url: string): void;
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