/**
 * thrown when client authentication method is no longer usable
 * (e.g., key removed from keyset or server no longer supports method).
 */
export declare class AuthMethodUnsatisfiableError extends Error {
    name: string;
}
/**
 * thrown when a session is invalid and cannot be used.
 */
export declare class TokenInvalidError extends Error {
    name: string;
    readonly sub: string;
    constructor(sub: string, message?: string, options?: ErrorOptions);
}
/**
 * thrown when token refresh fails.
 */
export declare class TokenRefreshError extends Error {
    name: string;
    readonly sub: string;
    constructor(sub: string, message: string, options?: ErrorOptions);
}
/**
 * thrown when a session has been revoked.
 */
export declare class TokenRevokedError extends Error {
    name: string;
    readonly sub: string;
    constructor(sub: string, message?: string, options?: ErrorOptions);
}
/**
 * thrown when OAuth response indicates an error.
 */
export declare class OAuthResponseError extends Error {
    name: string;
    readonly response: Response;
    readonly error: string;
    readonly errorDescription?: string;
    constructor(response: Response, error: string, errorDescription?: string);
    get status(): number;
}
/**
 * thrown when OAuth callback contains an error.
 */
export declare class OAuthCallbackError extends Error {
    name: string;
    readonly error: string;
    readonly errorDescription?: string;
    readonly state?: string;
    constructor(error: string, errorDescription?: string, state?: string);
}
/**
 * thrown when metadata resolution fails.
 */
export declare class OAuthResolverError extends Error {
    name: string;
}
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