import { HTTPStatus } from './http-status.js';
export declare class HTTPInformational implements HTTPStatus {
    readonly code: number;
    readonly message: string;
    constructor(code: number, message: string);
}
export declare class Continue extends HTTPInformational {
    constructor();
}
export declare class SwitchingProtocol extends HTTPInformational {
    constructor();
}
export declare class Processing extends HTTPInformational {
    constructor();
}
export declare class EarlyHints extends HTTPInformational {
    constructor();
}