import { HttpError } from 'http-errors';
import { z } from 'zod';
export declare abstract class ExpressoError extends Error {
    readonly code: number;
    constructor(message: string, code: number);
}
export declare class HTTPError extends ExpressoError {
    constructor({ message, statusCode }: HttpError);
}
export declare abstract class InvalidRequestFormatError extends ExpressoError {
    readonly error: z.ZodError;
    constructor(message: string, error: z.ZodError);
}
export declare class InvalidRequestBodyFormatError extends InvalidRequestFormatError {
    constructor(err: z.ZodError);
}
export declare class InvalidRequestHeadersFormatError extends InvalidRequestFormatError {
    constructor(headerName: string, headerValue: string | string[] | undefined, err: z.ZodError);
}