import type { RouteFailure } from './types';
export declare class CallspecValidationError extends Error {
    errors: Record<string, string>;
    constructor(errors: Record<string, string>);
}
export declare class CallspecUnauthorizedError extends Error {
    constructor();
}
export declare function isRouteFailure(value: unknown): value is RouteFailure;
export declare function formatRouteFailureBody(failure: RouteFailure): Record<string, unknown>;
export declare function sendRouteFailureResponse(res: {
    status: (code: number) => {
        json: (body: unknown) => void;
    };
}, failure: RouteFailure): void;