import { ProxyUpstream } from './types.js';
export declare class ProxyConnectionFailed extends Error {
    name: string;
    status: number;
    details: Record<string, unknown>;
    constructor(upstream: ProxyUpstream, status: number);
}
export declare class ProxyConnectionTimeout extends Error {
    name: string;
    details: Record<string, unknown>;
    constructor(upstream: ProxyUpstream | null);
}
export declare class ServerNotInitialised extends Error {
    name: string;
    message: string;
}
export declare class ServerNotListening extends Error {
    name: string;
    message: string;
}
export declare class PortDoesNotExist extends Error {
    name: string;
    message: string;
}
export declare class RemoteConnectionNotAuthorized extends Error {
    name: string;
    details: Record<string, unknown>;
    constructor(cause: Error);
}